15421959

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4013}}^1$

素因数の和:4087

約数の個数: 24

約数和(自身を含む): 25882272

約数和(自身を除く): 10460313

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4013, 12039, 28091, 36117, 84273, 244793, 252819, 734379, 1713551, 2203137, 5140653, 15421959]

約数ペア:

[(1, 15421959), (3, 5140653), (7, 2203137), (9, 1713551), (21, 734379), (61, 252819), (63, 244793), (183, 84273), (427, 36117), (549, 28091), (1281, 12039), (3843, 4013)]