1998375

素因数分解:

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

素因数の和:164

約数の個数: 24

約数和(自身を含む): 3371472

約数和(自身を除く): 1373097

約数列:

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

約数ペア:

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