15316857

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{719}}^1$

素因数の和:994

約数の個数: 20

約数和(自身を含む): 22999680

約数和(自身を除く): 7682823

約数列:

[1, 3, 9, 27, 81, 263, 719, 789, 2157, 2367, 6471, 7101, 19413, 21303, 58239, 189097, 567291, 1701873, 5105619, 15316857]

約数ペア:

[(1, 15316857), (3, 5105619), (9, 1701873), (27, 567291), (81, 189097), (263, 58239), (719, 21303), (789, 19413), (2157, 7101), (2367, 6471)]