72640875

素因数分解:

$3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2112

約数の個数: 32

約数和(自身を含む): 122181696

約数和(自身を除く): 49540821

約数列:

[1, 3, 5, 15, 25, 75, 97, 125, 291, 375, 485, 1455, 1997, 2425, 5991, 7275, 9985, 12125, 29955, 36375, 49925, 149775, 193709, 249625, 581127, 748875, 968545, 2905635, 4842725, 14528175, 24213625, 72640875]

約数ペア:

[(1, 72640875), (3, 24213625), (5, 14528175), (15, 4842725), (25, 2905635), (75, 968545), (97, 748875), (125, 581127), (291, 249625), (375, 193709), (485, 149775), (1455, 49925), (1997, 36375), (2425, 29955), (5991, 12125), (7275, 9985)]