2821725

素因数分解:

$3^2\times 5^2\times {\mathrm{12541}}^1$

素因数の和:12557

約数の個数: 18

約数和(自身を含む): 5054426

約数和(自身を除く): 2232701

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 12541, 37623, 62705, 112869, 188115, 313525, 564345, 940575, 2821725]

約数ペア:

[(1, 2821725), (3, 940575), (5, 564345), (9, 313525), (15, 188115), (25, 112869), (45, 62705), (75, 37623), (225, 12541)]