27393891

素因数分解:

$3^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{563}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 42692544

約数和(自身を除く): 15298653

約数列:

[1, 3, 7, 21, 49, 147, 331, 563, 993, 1689, 2317, 3941, 6951, 11823, 16219, 27587, 48657, 82761, 186353, 559059, 1304471, 3913413, 9131297, 27393891]

約数ペア:

[(1, 27393891), (3, 9131297), (7, 3913413), (21, 1304471), (49, 559059), (147, 186353), (331, 82761), (563, 48657), (993, 27587), (1689, 16219), (2317, 11823), (3941, 6951)]