207879405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{3329}}^1$

素因数の和:3541

約数の個数: 32

約数和(自身を含む): 349090560

約数和(自身を除く): 141211155

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 345, 543, 905, 2715, 3329, 4163, 9987, 12489, 16645, 20815, 49935, 62445, 76567, 229701, 382835, 602549, 1148505, 1807647, 3012745, 9038235, 13858627, 41575881, 69293135, 207879405]

約数ペア:

[(1, 207879405), (3, 69293135), (5, 41575881), (15, 13858627), (23, 9038235), (69, 3012745), (115, 1807647), (181, 1148505), (345, 602549), (543, 382835), (905, 229701), (2715, 76567), (3329, 62445), (4163, 49935), (9987, 20815), (12489, 16645)]