66649875

素因数分解:

$3^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2104

約数の個数: 32

約数和(自身を含む): 112207680

約数和(自身を除く): 45557805

約数列:

[1, 3, 5, 15, 25, 75, 89, 125, 267, 375, 445, 1335, 1997, 2225, 5991, 6675, 9985, 11125, 29955, 33375, 49925, 149775, 177733, 249625, 533199, 748875, 888665, 2665995, 4443325, 13329975, 22216625, 66649875]

約数ペア:

[(1, 66649875), (3, 22216625), (5, 13329975), (15, 4443325), (25, 2665995), (75, 888665), (89, 748875), (125, 533199), (267, 249625), (375, 177733), (445, 149775), (1335, 49925), (1997, 33375), (2225, 29955), (5991, 11125), (6675, 9985)]