7889427

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 64

約数和(自身を含む): 15232000

約数和(自身を除く): 7342573

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 169, 171, 189, 247, 273, 351, 399, 507, 513, 741, 819, 1183, 1197, 1521, 1729, 2197, 2223, 2457, 3211, 3549, 3591, 4563, 5187, 6591, 6669, 9633, 10647, 15379, 15561, 19773, 22477, 28899, 31941, 41743, 46137, 46683, 59319, 67431, 86697, 125229, 138411, 202293, 292201, 375687, 415233, 606879, 876603, 1127061, 2629809, 7889427]

約数ペア:

[(1, 7889427), (3, 2629809), (7, 1127061), (9, 876603), (13, 606879), (19, 415233), (21, 375687), (27, 292201), (39, 202293), (57, 138411), (63, 125229), (91, 86697), (117, 67431), (133, 59319), (169, 46683), (171, 46137), (189, 41743), (247, 31941), (273, 28899), (351, 22477), (399, 19773), (507, 15561), (513, 15379), (741, 10647), (819, 9633), (1183, 6669), (1197, 6591), (1521, 5187), (1729, 4563), (2197, 3591), (2223, 3549), (2457, 3211)]