520020915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{13339}}^1$

素因数の和:13483

約数の個数: 32

約数和(自身を含む): 875957760

約数和(自身を除く): 355936845

約数列:

[1, 3, 5, 15, 23, 69, 113, 115, 339, 345, 565, 1695, 2599, 7797, 12995, 13339, 38985, 40017, 66695, 200085, 306797, 920391, 1507307, 1533985, 4521921, 4601955, 7536535, 22609605, 34668061, 104004183, 173340305, 520020915]

約数ペア:

[(1, 520020915), (3, 173340305), (5, 104004183), (15, 34668061), (23, 22609605), (69, 7536535), (113, 4601955), (115, 4521921), (339, 1533985), (345, 1507307), (565, 920391), (1695, 306797), (2599, 200085), (7797, 66695), (12995, 40017), (13339, 38985)]