1290951

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 16

約数和(自身を含む): 1932000

約数和(自身を除く): 641049

約数列:

[1, 3, 9, 27, 137, 349, 411, 1047, 1233, 3141, 3699, 9423, 47813, 143439, 430317, 1290951]

約数ペア:

[(1, 1290951), (3, 430317), (9, 143439), (27, 47813), (137, 9423), (349, 3699), (411, 3141), (1047, 1233)]