1338279

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 16

約数和(自身を含む): 1857024

約数和(自身を除く): 518745

約数列:

[1, 3, 61, 71, 103, 183, 213, 309, 4331, 6283, 7313, 12993, 18849, 21939, 446093, 1338279]

約数ペア:

[(1, 1338279), (3, 446093), (61, 21939), (71, 18849), (103, 12993), (183, 7313), (213, 6283), (309, 4331)]