28501803

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 19301589

約数列:

[1, 3, 9, 11, 31, 33, 37, 93, 99, 111, 251, 279, 333, 341, 407, 753, 1023, 1147, 1221, 2259, 2761, 3069, 3441, 3663, 7781, 8283, 9287, 10323, 12617, 23343, 24849, 27861, 37851, 70029, 83583, 85591, 102157, 113553, 256773, 287897, 306471, 770319, 863691, 919413, 2591073, 3166867, 9500601, 28501803]

約数ペア:

[(1, 28501803), (3, 9500601), (9, 3166867), (11, 2591073), (31, 919413), (33, 863691), (37, 770319), (93, 306471), (99, 287897), (111, 256773), (251, 113553), (279, 102157), (333, 85591), (341, 83583), (407, 70029), (753, 37851), (1023, 27861), (1147, 24849), (1221, 23343), (2259, 12617), (2761, 10323), (3069, 9287), (3441, 8283), (3663, 7781)]