64221213

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{8243}}^1$

素因数の和:8313

約数の個数: 24

約数和(自身を含む): 101500128

約数和(自身を除く): 37278915

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 8243, 24729, 57701, 173103, 403907, 436879, 1211721, 1310637, 3058153, 9174459, 21407071, 64221213]

約数ペア:

[(1, 64221213), (3, 21407071), (7, 9174459), (21, 3058153), (49, 1310637), (53, 1211721), (147, 436879), (159, 403907), (371, 173103), (1113, 57701), (2597, 24729), (7791, 8243)]