156906981

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 283989888

約数和(自身を除く): 127082907

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 257, 693, 771, 881, 1799, 2313, 2643, 2827, 5397, 6167, 7929, 8481, 9691, 16191, 18501, 19789, 25443, 29073, 55503, 59367, 67837, 87219, 178101, 203511, 226417, 610533, 679251, 1584919, 2037753, 2490587, 4754757, 7471761, 14264271, 17434109, 22415283, 52302327, 156906981]

約数ペア:

[(1, 156906981), (3, 52302327), (7, 22415283), (9, 17434109), (11, 14264271), (21, 7471761), (33, 4754757), (63, 2490587), (77, 2037753), (99, 1584919), (231, 679251), (257, 610533), (693, 226417), (771, 203511), (881, 178101), (1799, 87219), (2313, 67837), (2643, 59367), (2827, 55503), (5397, 29073), (6167, 25443), (7929, 19789), (8481, 18501), (9691, 16191)]