25401825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 50052600

約数和(自身を除く): 24650775

約数列:

[1, 3, 5, 9, 15, 17, 25, 29, 45, 51, 75, 85, 87, 145, 153, 225, 229, 255, 261, 425, 435, 493, 687, 725, 765, 1145, 1275, 1305, 1479, 2061, 2175, 2465, 3435, 3825, 3893, 4437, 5725, 6525, 6641, 7395, 10305, 11679, 12325, 17175, 19465, 19923, 22185, 33205, 35037, 36975, 51525, 58395, 59769, 97325, 99615, 110925, 112897, 166025, 175185, 291975, 298845, 338691, 498075, 564485, 875925, 1016073, 1494225, 1693455, 2822425, 5080365, 8467275, 25401825]

約数ペア:

[(1, 25401825), (3, 8467275), (5, 5080365), (9, 2822425), (15, 1693455), (17, 1494225), (25, 1016073), (29, 875925), (45, 564485), (51, 498075), (75, 338691), (85, 298845), (87, 291975), (145, 175185), (153, 166025), (225, 112897), (229, 110925), (255, 99615), (261, 97325), (425, 59769), (435, 58395), (493, 51525), (687, 36975), (725, 35037), (765, 33205), (1145, 22185), (1275, 19923), (1305, 19465), (1479, 17175), (2061, 12325), (2175, 11679), (2465, 10305), (3435, 7395), (3825, 6641), (3893, 6525), (4437, 5725)]