30815967

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 53640960

約数和(自身を除く): 22824993

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 247, 273, 399, 457, 507, 741, 1183, 1371, 1729, 3199, 3211, 3549, 5187, 5941, 8683, 9597, 9633, 17823, 22477, 26049, 41587, 60781, 67431, 77233, 112879, 124761, 182343, 231699, 338637, 540631, 790153, 1467427, 1621893, 2370459, 4402281, 10271989, 30815967]

約数ペア:

[(1, 30815967), (3, 10271989), (7, 4402281), (13, 2370459), (19, 1621893), (21, 1467427), (39, 790153), (57, 540631), (91, 338637), (133, 231699), (169, 182343), (247, 124761), (273, 112879), (399, 77233), (457, 67431), (507, 60781), (741, 41587), (1183, 26049), (1371, 22477), (1729, 17823), (3199, 9633), (3211, 9597), (3549, 8683), (5187, 5941)]