205121643825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1669}}^1\times {\mathrm{1787}}^1$

素因数の和:3607

約数の個数: 96

約数和(自身を含む): 390993546240

約数和(自身を除く): 185871902415

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 131, 175, 393, 525, 655, 917, 1669, 1787, 1965, 2751, 3275, 4585, 5007, 5361, 8345, 8935, 9825, 11683, 12509, 13755, 22925, 25035, 26805, 35049, 37527, 41725, 44675, 58415, 62545, 68775, 125175, 134025, 175245, 187635, 218639, 234097, 292075, 312725, 655917, 702291, 876225, 938175, 1093195, 1170485, 1530473, 1638679, 2982503, 3279585, 3511455, 4591419, 4916037, 5465975, 5852425, 7652365, 8193395, 8947509, 14912515, 16397925, 17557275, 20877521, 22957095, 24580185, 38261825, 40966975, 44737545, 62632563, 74562575, 104387605, 114785475, 122900925, 223687725, 313162815, 390707893, 521938025, 1172123679, 1565814075, 1953539465, 2734955251, 5860618395, 8204865753, 9767697325, 13674776255, 29303091975, 41024328765, 68373881275, 205121643825]

約数ペア:

[(1, 205121643825), (3, 68373881275), (5, 41024328765), (7, 29303091975), (15, 13674776255), (21, 9767697325), (25, 8204865753), (35, 5860618395), (75, 2734955251), (105, 1953539465), (131, 1565814075), (175, 1172123679), (393, 521938025), (525, 390707893), (655, 313162815), (917, 223687725), (1669, 122900925), (1787, 114785475), (1965, 104387605), (2751, 74562575), (3275, 62632563), (4585, 44737545), (5007, 40966975), (5361, 38261825), (8345, 24580185), (8935, 22957095), (9825, 20877521), (11683, 17557275), (12509, 16397925), (13755, 14912515), (22925, 8947509), (25035, 8193395), (26805, 7652365), (35049, 5852425), (37527, 5465975), (41725, 4916037), (44675, 4591419), (58415, 3511455), (62545, 3279585), (68775, 2982503), (125175, 1638679), (134025, 1530473), (175245, 1170485), (187635, 1093195), (218639, 938175), (234097, 876225), (292075, 702291), (312725, 655917)]