254216655

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 573640704

約数和(自身を除く): 319424049

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 47, 49, 55, 63, 77, 99, 105, 141, 147, 165, 223, 231, 235, 245, 315, 329, 385, 423, 441, 495, 517, 539, 669, 693, 705, 735, 987, 1115, 1155, 1551, 1561, 1617, 1645, 2007, 2115, 2205, 2303, 2453, 2585, 2695, 2961, 3345, 3465, 3619, 4653, 4683, 4851, 4935, 6909, 7359, 7755, 7805, 8085, 10035, 10481, 10857, 10927, 11515, 12265, 14049, 14805, 17171, 18095, 20727, 22077, 23265, 23415, 24255, 25333, 31443, 32571, 32781, 34545, 36795, 51513, 52405, 54285, 54635, 70245, 73367, 75999, 85855, 94329, 98343, 103635, 110385, 115291, 120197, 126665, 154539, 157215, 162855, 163905, 220101, 227997, 257565, 345873, 360591, 366835, 379995, 471645, 491715, 513569, 576455, 600985, 660303, 772695, 807037, 1037619, 1081773, 1100505, 1139985, 1540707, 1729365, 1802955, 2421111, 2567845, 3301515, 4035185, 4622121, 5188095, 5408865, 5649259, 7263333, 7703535, 12105555, 16947777, 23110605, 28246295, 36316665, 50843331, 84738885, 254216655]

約数ペア:

[(1, 254216655), (3, 84738885), (5, 50843331), (7, 36316665), (9, 28246295), (11, 23110605), (15, 16947777), (21, 12105555), (33, 7703535), (35, 7263333), (45, 5649259), (47, 5408865), (49, 5188095), (55, 4622121), (63, 4035185), (77, 3301515), (99, 2567845), (105, 2421111), (141, 1802955), (147, 1729365), (165, 1540707), (223, 1139985), (231, 1100505), (235, 1081773), (245, 1037619), (315, 807037), (329, 772695), (385, 660303), (423, 600985), (441, 576455), (495, 513569), (517, 491715), (539, 471645), (669, 379995), (693, 366835), (705, 360591), (735, 345873), (987, 257565), (1115, 227997), (1155, 220101), (1551, 163905), (1561, 162855), (1617, 157215), (1645, 154539), (2007, 126665), (2115, 120197), (2205, 115291), (2303, 110385), (2453, 103635), (2585, 98343), (2695, 94329), (2961, 85855), (3345, 75999), (3465, 73367), (3619, 70245), (4653, 54635), (4683, 54285), (4851, 52405), (4935, 51513), (6909, 36795), (7359, 34545), (7755, 32781), (7805, 32571), (8085, 31443), (10035, 25333), (10481, 24255), (10857, 23415), (10927, 23265), (11515, 22077), (12265, 20727), (14049, 18095), (14805, 17171)]