15965103

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 27442688

約数和(自身を除く): 11477585

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 103, 121, 183, 231, 309, 363, 427, 671, 721, 847, 1133, 1281, 2013, 2163, 2541, 3399, 4697, 6283, 7381, 7931, 12463, 14091, 18849, 22143, 23793, 37389, 43981, 51667, 69113, 87241, 131943, 155001, 207339, 261723, 483791, 760243, 1451373, 2280729, 5321701, 15965103]

約数ペア:

[(1, 15965103), (3, 5321701), (7, 2280729), (11, 1451373), (21, 760243), (33, 483791), (61, 261723), (77, 207339), (103, 155001), (121, 131943), (183, 87241), (231, 69113), (309, 51667), (363, 43981), (427, 37389), (671, 23793), (721, 22143), (847, 18849), (1133, 14091), (1281, 12463), (2013, 7931), (2163, 7381), (2541, 6283), (3399, 4697)]