40280019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2861}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 61063632

約数和(自身を除く): 20783613

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 2861, 4693, 8583, 14079, 37193, 54359, 111579, 163077, 706667, 1032821, 2120001, 3098463, 13426673, 40280019]

約数ペア:

[(1, 40280019), (3, 13426673), (13, 3098463), (19, 2120001), (39, 1032821), (57, 706667), (247, 163077), (361, 111579), (741, 54359), (1083, 37193), (2861, 14079), (4693, 8583)]