251011215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61297}}^1$

素因数の和:61328

約数の個数: 48

約数和(自身を含む): 535499328

約数和(自身を除く): 284488113

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 61297, 183891, 306485, 429079, 551673, 796861, 919455, 1287237, 2145395, 2390583, 2758365, 3861711, 3984305, 5578027, 6436185, 7171749, 11952915, 16734081, 19308555, 27890135, 35858745, 50202243, 83670405, 251011215]

約数ペア:

[(1, 251011215), (3, 83670405), (5, 50202243), (7, 35858745), (9, 27890135), (13, 19308555), (15, 16734081), (21, 11952915), (35, 7171749), (39, 6436185), (45, 5578027), (63, 3984305), (65, 3861711), (91, 2758365), (105, 2390583), (117, 2145395), (195, 1287237), (273, 919455), (315, 796861), (455, 551673), (585, 429079), (819, 306485), (1365, 183891), (4095, 61297)]