13215915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^2$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 24116976

約数和(自身を除く): 10901061

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 113, 115, 207, 339, 345, 565, 1017, 1035, 1695, 2599, 5085, 7797, 12769, 12995, 23391, 38307, 38985, 63845, 114921, 116955, 191535, 293687, 574605, 881061, 1468435, 2643183, 4405305, 13215915]

約数ペア:

[(1, 13215915), (3, 4405305), (5, 2643183), (9, 1468435), (15, 881061), (23, 574605), (45, 293687), (69, 191535), (113, 116955), (115, 114921), (207, 63845), (339, 38985), (345, 38307), (565, 23391), (1017, 12995), (1035, 12769), (1695, 7797), (2599, 5085)]