31540509

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 63423360

約数和(自身を除く): 31882851

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 91, 99, 117, 143, 189, 231, 273, 297, 351, 389, 429, 567, 693, 819, 891, 1001, 1053, 1167, 1287, 2079, 2457, 2723, 3003, 3501, 3861, 4279, 5057, 6237, 7371, 8169, 9009, 10503, 11583, 12837, 15171, 24507, 27027, 29953, 31509, 35399, 38511, 45513, 55627, 73521, 81081, 89859, 106197, 115533, 136539, 166881, 220563, 269577, 318591, 346599, 389389, 409617, 500643, 808731, 955773, 1168167, 1501929, 2426193, 2867319, 3504501, 4505787, 10513503, 31540509]

約数ペア:

[(1, 31540509), (3, 10513503), (7, 4505787), (9, 3504501), (11, 2867319), (13, 2426193), (21, 1501929), (27, 1168167), (33, 955773), (39, 808731), (63, 500643), (77, 409617), (81, 389389), (91, 346599), (99, 318591), (117, 269577), (143, 220563), (189, 166881), (231, 136539), (273, 115533), (297, 106197), (351, 89859), (389, 81081), (429, 73521), (567, 55627), (693, 45513), (819, 38511), (891, 35399), (1001, 31509), (1053, 29953), (1167, 27027), (1287, 24507), (2079, 15171), (2457, 12837), (2723, 11583), (3003, 10503), (3501, 9009), (3861, 8169), (4279, 7371), (5057, 6237)]