561375

素因数分解:

$3^2\times 5^3\times {\mathrm{499}}^1$

素因数の和:520

約数の個数: 24

約数和(自身を含む): 1014000

約数和(自身を除く): 452625

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 499, 1125, 1497, 2495, 4491, 7485, 12475, 22455, 37425, 62375, 112275, 187125, 561375]

約数ペア:

[(1, 561375), (3, 187125), (5, 112275), (9, 62375), (15, 37425), (25, 22455), (45, 12475), (75, 7485), (125, 4491), (225, 2495), (375, 1497), (499, 1125)]