2589405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 5209344

約数和(自身を除く): 2619939

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 271, 273, 455, 637, 735, 813, 1355, 1365, 1897, 1911, 3185, 3523, 4065, 5691, 9485, 9555, 10569, 13279, 17615, 24661, 28455, 39837, 52845, 66395, 73983, 123305, 172627, 199185, 369915, 517881, 863135, 2589405]

約数ペア:

[(1, 2589405), (3, 863135), (5, 517881), (7, 369915), (13, 199185), (15, 172627), (21, 123305), (35, 73983), (39, 66395), (49, 52845), (65, 39837), (91, 28455), (105, 24661), (147, 17615), (195, 13279), (245, 10569), (271, 9555), (273, 9485), (455, 5691), (637, 4065), (735, 3523), (813, 3185), (1355, 1911), (1365, 1897)]