681526365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 1199632896

約数和(自身を除く): 518106531

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 137, 195, 263, 291, 411, 485, 685, 789, 1261, 1315, 1455, 1781, 2055, 3419, 3783, 3945, 5343, 6305, 8905, 10257, 13289, 17095, 18915, 25511, 26715, 36031, 39867, 51285, 66445, 76533, 108093, 127555, 172757, 180155, 199335, 331643, 382665, 468403, 518271, 540465, 863785, 994929, 1405209, 1658215, 2342015, 2591355, 3495007, 4974645, 7026045, 10485021, 17475035, 45435091, 52425105, 136305273, 227175455, 681526365]

約数ペア:

[(1, 681526365), (3, 227175455), (5, 136305273), (13, 52425105), (15, 45435091), (39, 17475035), (65, 10485021), (97, 7026045), (137, 4974645), (195, 3495007), (263, 2591355), (291, 2342015), (411, 1658215), (485, 1405209), (685, 994929), (789, 863785), (1261, 540465), (1315, 518271), (1455, 468403), (1781, 382665), (2055, 331643), (3419, 199335), (3783, 180155), (3945, 172757), (5343, 127555), (6305, 108093), (8905, 76533), (10257, 66445), (13289, 51285), (17095, 39867), (18915, 36031), (25511, 26715)]