30990978

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{15511}}^1$

素因数の和:15559

約数の個数: 32

約数和(自身を含む): 70734720

約数和(自身を除く): 39743742

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 15511, 31022, 46533, 93066, 139599, 279198, 418797, 573907, 837594, 1147814, 1721721, 3443442, 5165163, 10330326, 15495489, 30990978]

約数ペア:

[(1, 30990978), (2, 15495489), (3, 10330326), (6, 5165163), (9, 3443442), (18, 1721721), (27, 1147814), (37, 837594), (54, 573907), (74, 418797), (111, 279198), (222, 139599), (333, 93066), (666, 46533), (999, 31022), (1998, 15511)]