12887931

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 20280144

約数和(自身を除く): 7392213

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1201, 1533, 3577, 3603, 8407, 10731, 25221, 58849, 87673, 176547, 263019, 613711, 1841133, 4295977, 12887931]

約数ペア:

[(1, 12887931), (3, 4295977), (7, 1841133), (21, 613711), (49, 263019), (73, 176547), (147, 87673), (219, 58849), (511, 25221), (1201, 10731), (1533, 8407), (3577, 3603)]