657619425

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 1252697600

約数和(自身を除く): 595078175

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 139, 163, 215, 225, 387, 417, 489, 645, 675, 695, 815, 1075, 1161, 1251, 1467, 1935, 2085, 2445, 3225, 3475, 3753, 4075, 4401, 5805, 5977, 6255, 7009, 7335, 9675, 10425, 12225, 17931, 18765, 21027, 22005, 22657, 29025, 29885, 31275, 35045, 36675, 53793, 63081, 67971, 89655, 93825, 105135, 110025, 113285, 149425, 161379, 175225, 189243, 203913, 268965, 315405, 339855, 448275, 525675, 566425, 611739, 806895, 946215, 974251, 1019565, 1344825, 1577025, 1699275, 2922753, 3058695, 4034475, 4731075, 4871255, 5097825, 8768259, 14613765, 15293475, 24356275, 26304777, 43841295, 73068825, 131523885, 219206475, 657619425]

約数ペア:

[(1, 657619425), (3, 219206475), (5, 131523885), (9, 73068825), (15, 43841295), (25, 26304777), (27, 24356275), (43, 15293475), (45, 14613765), (75, 8768259), (129, 5097825), (135, 4871255), (139, 4731075), (163, 4034475), (215, 3058695), (225, 2922753), (387, 1699275), (417, 1577025), (489, 1344825), (645, 1019565), (675, 974251), (695, 946215), (815, 806895), (1075, 611739), (1161, 566425), (1251, 525675), (1467, 448275), (1935, 339855), (2085, 315405), (2445, 268965), (3225, 203913), (3475, 189243), (3753, 175225), (4075, 161379), (4401, 149425), (5805, 113285), (5977, 110025), (6255, 105135), (7009, 93825), (7335, 89655), (9675, 67971), (10425, 63081), (12225, 53793), (17931, 36675), (18765, 35045), (21027, 31275), (22005, 29885), (22657, 29025)]