2149815

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 3459456

約数和(自身を除く): 1309641

約数列:

[1, 3, 5, 15, 251, 571, 753, 1255, 1713, 2855, 3765, 8565, 143321, 429963, 716605, 2149815]

約数ペア:

[(1, 2149815), (3, 716605), (5, 429963), (15, 143321), (251, 8565), (571, 3765), (753, 2855), (1255, 1713)]