280069587

素因数分解:

$3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{9901}}^1$

素因数の和:10363

約数の個数: 24

約数和(自身を含む): 463413600

約数和(自身を除く): 183344013

約数列:

[1, 3, 7, 9, 21, 63, 449, 1347, 3143, 4041, 9429, 9901, 28287, 29703, 69307, 89109, 207921, 623763, 4445549, 13336647, 31118843, 40009941, 93356529, 280069587]

約数ペア:

[(1, 280069587), (3, 93356529), (7, 40009941), (9, 31118843), (21, 13336647), (63, 4445549), (449, 623763), (1347, 207921), (3143, 89109), (4041, 69307), (9429, 29703), (9901, 28287)]