15245181

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3967}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 25585664

約数和(自身を除く): 10340483

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 3967, 11901, 27769, 35703, 83307, 241987, 249921, 725961, 1693909, 2177883, 5081727, 15245181]

約数ペア:

[(1, 15245181), (3, 5081727), (7, 2177883), (9, 1693909), (21, 725961), (61, 249921), (63, 241987), (183, 83307), (427, 35703), (549, 27769), (1281, 11901), (3843, 3967)]