215608221

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{607}}^1\times {\mathrm{647}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 317551104

約数和(自身を除く): 101942883

約数列:

[1, 3, 9, 61, 183, 549, 607, 647, 1821, 1941, 5463, 5823, 37027, 39467, 111081, 118401, 333243, 355203, 392729, 1178187, 3534561, 23956469, 71869407, 215608221]

約数ペア:

[(1, 215608221), (3, 71869407), (9, 23956469), (61, 3534561), (183, 1178187), (549, 392729), (607, 355203), (647, 333243), (1821, 118401), (1941, 111081), (5463, 39467), (5823, 37027)]