2019904125

素因数分解:

$3^1\times 5^3\times {\mathrm{643}}^1\times {\mathrm{8377}}^1$

素因数の和:9038

約数の個数: 32

約数和(自身を含む): 3366749568

約数和(自身を除く): 1346845443

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 643, 1929, 3215, 8377, 9645, 16075, 25131, 41885, 48225, 80375, 125655, 209425, 241125, 628275, 1047125, 3141375, 5386411, 16159233, 26932055, 80796165, 134660275, 403980825, 673301375, 2019904125]

約数ペア:

[(1, 2019904125), (3, 673301375), (5, 403980825), (15, 134660275), (25, 80796165), (75, 26932055), (125, 16159233), (375, 5386411), (643, 3141375), (1929, 1047125), (3215, 628275), (8377, 241125), (9645, 209425), (16075, 125655), (25131, 80375), (41885, 48225)]