15915015

素因数分解:

$3^3\times 5^1\times {\mathrm{117889}}^1$

素因数の和:117903

約数の個数: 16

約数和(自身を含む): 28293600

約数和(自身を除く): 12378585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 117889, 353667, 589445, 1061001, 1768335, 3183003, 5305005, 15915015]

約数ペア:

[(1, 15915015), (3, 5305005), (5, 3183003), (9, 1768335), (15, 1061001), (27, 589445), (45, 353667), (135, 117889)]