39989925

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2102

約数の個数: 36

約数和(自身を含む): 72467460

約数和(自身を除く): 32477535

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 801, 1335, 1997, 2225, 4005, 5991, 6675, 9985, 17973, 20025, 29955, 49925, 89865, 149775, 177733, 449325, 533199, 888665, 1599597, 2665995, 4443325, 7997985, 13329975, 39989925]

約数ペア:

[(1, 39989925), (3, 13329975), (5, 7997985), (9, 4443325), (15, 2665995), (25, 1599597), (45, 888665), (75, 533199), (89, 449325), (225, 177733), (267, 149775), (445, 89865), (801, 49925), (1335, 29955), (1997, 20025), (2225, 17973), (4005, 9985), (5991, 6675)]