68912865

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31253}}^1$

素因数の和:31278

約数の個数: 36

約数和(自身を含む): 138955284

約数和(自身を除く): 70042419

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 31253, 93759, 156265, 218771, 281277, 468795, 656313, 1093855, 1406385, 1531397, 1968939, 3281565, 4594191, 7656985, 9844695, 13782573, 22970955, 68912865]

約数ペア:

[(1, 68912865), (3, 22970955), (5, 13782573), (7, 9844695), (9, 7656985), (15, 4594191), (21, 3281565), (35, 1968939), (45, 1531397), (49, 1406385), (63, 1093855), (105, 656313), (147, 468795), (245, 281277), (315, 218771), (441, 156265), (735, 93759), (2205, 31253)]