28146825

素因数分解:

$3^3\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 64460160

約数和(自身を除く): 36313335

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 27, 35, 37, 45, 49, 63, 69, 75, 105, 111, 115, 135, 147, 161, 175, 185, 189, 207, 225, 245, 259, 315, 333, 345, 441, 483, 525, 555, 575, 621, 675, 735, 777, 805, 851, 925, 945, 999, 1035, 1127, 1225, 1295, 1323, 1449, 1575, 1665, 1725, 1813, 2205, 2331, 2415, 2553, 2775, 3105, 3381, 3675, 3885, 4025, 4255, 4347, 4725, 4995, 5175, 5439, 5635, 5957, 6475, 6615, 6993, 7245, 7659, 8325, 9065, 10143, 11025, 11655, 12075, 12765, 15525, 16317, 16905, 17871, 19425, 21275, 21735, 22977, 24975, 27195, 28175, 29785, 30429, 33075, 34965, 36225, 38295, 41699, 45325, 48951, 50715, 53613, 58275, 63825, 81585, 84525, 89355, 108675, 114885, 125097, 135975, 148925, 152145, 160839, 174825, 191475, 208495, 244755, 253575, 268065, 375291, 407925, 446775, 574425, 625485, 760725, 804195, 1042475, 1125873, 1223775, 1340325, 1876455, 3127425, 4020975, 5629365, 9382275, 28146825]

約数ペア:

[(1, 28146825), (3, 9382275), (5, 5629365), (7, 4020975), (9, 3127425), (15, 1876455), (21, 1340325), (23, 1223775), (25, 1125873), (27, 1042475), (35, 804195), (37, 760725), (45, 625485), (49, 574425), (63, 446775), (69, 407925), (75, 375291), (105, 268065), (111, 253575), (115, 244755), (135, 208495), (147, 191475), (161, 174825), (175, 160839), (185, 152145), (189, 148925), (207, 135975), (225, 125097), (245, 114885), (259, 108675), (315, 89355), (333, 84525), (345, 81585), (441, 63825), (483, 58275), (525, 53613), (555, 50715), (575, 48951), (621, 45325), (675, 41699), (735, 38295), (777, 36225), (805, 34965), (851, 33075), (925, 30429), (945, 29785), (999, 28175), (1035, 27195), (1127, 24975), (1225, 22977), (1295, 21735), (1323, 21275), (1449, 19425), (1575, 17871), (1665, 16905), (1725, 16317), (1813, 15525), (2205, 12765), (2331, 12075), (2415, 11655), (2553, 11025), (2775, 10143), (3105, 9065), (3381, 8325), (3675, 7659), (3885, 7245), (4025, 6993), (4255, 6615), (4347, 6475), (4725, 5957), (4995, 5635), (5175, 5439)]