1585221

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{397}}^1$

素因数の和:433

約数の個数: 16

約数和(自身を含む): 2330688

約数和(自身を除く): 745467

約数列:

[1, 3, 11, 33, 121, 363, 397, 1191, 1331, 3993, 4367, 13101, 48037, 144111, 528407, 1585221]

約数ペア:

[(1, 1585221), (3, 528407), (11, 144111), (33, 48037), (121, 13101), (363, 4367), (397, 3993), (1191, 1331)]