78756993

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 134334720

約数和(自身を除く): 55577727

約数列:

[1, 3, 7, 9, 21, 53, 63, 103, 159, 229, 309, 371, 477, 687, 721, 927, 1113, 1603, 2061, 2163, 3339, 4809, 5459, 6489, 12137, 14427, 16377, 23587, 36411, 38213, 49131, 70761, 84959, 109233, 114639, 165109, 212283, 254877, 343917, 495327, 764631, 1250111, 1485981, 3750333, 8750777, 11250999, 26252331, 78756993]

約数ペア:

[(1, 78756993), (3, 26252331), (7, 11250999), (9, 8750777), (21, 3750333), (53, 1485981), (63, 1250111), (103, 764631), (159, 495327), (229, 343917), (309, 254877), (371, 212283), (477, 165109), (687, 114639), (721, 109233), (927, 84959), (1113, 70761), (1603, 49131), (2061, 38213), (2163, 36411), (3339, 23587), (4809, 16377), (5459, 14427), (6489, 12137)]