42173875

素因数分解:

$5^3\times {\mathrm{61}}^1\times {\mathrm{5531}}^1$

素因数の和:5607

約数の個数: 16

約数和(自身を含む): 53505504

約数和(自身を除く): 11331629

約数列:

[1, 5, 25, 61, 125, 305, 1525, 5531, 7625, 27655, 138275, 337391, 691375, 1686955, 8434775, 42173875]

約数ペア:

[(1, 42173875), (5, 8434775), (25, 1686955), (61, 691375), (125, 337391), (305, 138275), (1525, 27655), (5531, 7625)]