9991875

素因数分解:

$3^1\times 5^4\times {\mathrm{73}}^2$

素因数の和:169

約数の個数: 30

約数和(自身を含む): 16878972

約数和(自身を除く): 6887097

約数列:

[1, 3, 5, 15, 25, 73, 75, 125, 219, 365, 375, 625, 1095, 1825, 1875, 5329, 5475, 9125, 15987, 26645, 27375, 45625, 79935, 133225, 136875, 399675, 666125, 1998375, 3330625, 9991875]

約数ペア:

[(1, 9991875), (3, 3330625), (5, 1998375), (15, 666125), (25, 399675), (73, 136875), (75, 133225), (125, 79935), (219, 45625), (365, 27375), (375, 26645), (625, 15987), (1095, 9125), (1825, 5475), (1875, 5329)]