291223917

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{13267}}^1$

素因数の和:13550

約数の個数: 20

約数和(自身を含む): 436676416

約数和(自身を除く): 145452499

約数列:

[1, 3, 9, 27, 81, 271, 813, 2439, 7317, 13267, 21951, 39801, 119403, 358209, 1074627, 3595357, 10786071, 32358213, 97074639, 291223917]

約数ペア:

[(1, 291223917), (3, 97074639), (9, 32358213), (27, 10786071), (81, 3595357), (271, 1074627), (813, 358209), (2439, 119403), (7317, 39801), (13267, 21951)]