8293215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4157}}^1$

素因数の和:4191

約数の個数: 32

約数和(自身を含む): 15966720

約数和(自身を除く): 7673505

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 4157, 12471, 20785, 29099, 62355, 78983, 87297, 145495, 236949, 394915, 436485, 552881, 1184745, 1658643, 2764405, 8293215]

約数ペア:

[(1, 8293215), (3, 2764405), (5, 1658643), (7, 1184745), (15, 552881), (19, 436485), (21, 394915), (35, 236949), (57, 145495), (95, 87297), (105, 78983), (133, 62355), (285, 29099), (399, 20785), (665, 12471), (1995, 4157)]