90871851

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13397}}^1$

素因数の和:13443

約数の個数: 32

約数和(自身を含む): 154344960

約数和(自身を除く): 63473109

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 13397, 40191, 93779, 227749, 254543, 281337, 683247, 763629, 1594243, 1781801, 4327231, 4782729, 5345403, 12981693, 30290617, 90871851]

約数ペア:

[(1, 90871851), (3, 30290617), (7, 12981693), (17, 5345403), (19, 4782729), (21, 4327231), (51, 1781801), (57, 1594243), (119, 763629), (133, 683247), (323, 281337), (357, 254543), (399, 227749), (969, 93779), (2261, 40191), (6783, 13397)]