26115975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 50778000

約数和(自身を除く): 24662025

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 75, 95, 123, 149, 171, 205, 225, 285, 369, 447, 475, 615, 745, 779, 855, 1025, 1341, 1425, 1845, 2235, 2337, 2831, 3075, 3725, 3895, 4275, 6109, 6705, 7011, 8493, 9225, 11175, 11685, 14155, 18327, 19475, 25479, 30545, 33525, 35055, 42465, 54981, 58425, 70775, 91635, 116071, 127395, 152725, 175275, 212325, 274905, 348213, 458175, 580355, 636975, 1044639, 1374525, 1741065, 2901775, 5223195, 8705325, 26115975]

約数ペア:

[(1, 26115975), (3, 8705325), (5, 5223195), (9, 2901775), (15, 1741065), (19, 1374525), (25, 1044639), (41, 636975), (45, 580355), (57, 458175), (75, 348213), (95, 274905), (123, 212325), (149, 175275), (171, 152725), (205, 127395), (225, 116071), (285, 91635), (369, 70775), (447, 58425), (475, 54981), (615, 42465), (745, 35055), (779, 33525), (855, 30545), (1025, 25479), (1341, 19475), (1425, 18327), (1845, 14155), (2235, 11685), (2337, 11175), (2831, 9225), (3075, 8493), (3725, 7011), (3895, 6705), (4275, 6109)]