25265385

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 47923200

約数和(自身を除く): 22657815

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 79, 103, 115, 135, 207, 237, 309, 345, 395, 515, 621, 711, 927, 1035, 1185, 1545, 1817, 2133, 2369, 2781, 3105, 3555, 4635, 5451, 7107, 8137, 9085, 10665, 11845, 13905, 16353, 21321, 24411, 27255, 35535, 40685, 49059, 63963, 73233, 81765, 106605, 122055, 187151, 219699, 245295, 319815, 366165, 561453, 935755, 1098495, 1684359, 2807265, 5053077, 8421795, 25265385]

約数ペア:

[(1, 25265385), (3, 8421795), (5, 5053077), (9, 2807265), (15, 1684359), (23, 1098495), (27, 935755), (45, 561453), (69, 366165), (79, 319815), (103, 245295), (115, 219699), (135, 187151), (207, 122055), (237, 106605), (309, 81765), (345, 73233), (395, 63963), (515, 49059), (621, 40685), (711, 35535), (927, 27255), (1035, 24411), (1185, 21321), (1545, 16353), (1817, 13905), (2133, 11845), (2369, 10665), (2781, 9085), (3105, 8137), (3555, 7107), (4635, 5451)]