15831765

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 28641600

約数和(自身を除く): 12809835

約数列:

[1, 3, 5, 9, 15, 45, 59, 67, 89, 177, 201, 267, 295, 335, 445, 531, 603, 801, 885, 1005, 1335, 2655, 3015, 3953, 4005, 5251, 5963, 11859, 15753, 17889, 19765, 26255, 29815, 35577, 47259, 53667, 59295, 78765, 89445, 177885, 236295, 268335, 351817, 1055451, 1759085, 3166353, 5277255, 15831765]

約数ペア:

[(1, 15831765), (3, 5277255), (5, 3166353), (9, 1759085), (15, 1055451), (45, 351817), (59, 268335), (67, 236295), (89, 177885), (177, 89445), (201, 78765), (267, 59295), (295, 53667), (335, 47259), (445, 35577), (531, 29815), (603, 26255), (801, 19765), (885, 17889), (1005, 15753), (1335, 11859), (2655, 5963), (3015, 5251), (3953, 4005)]