13237503

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 18149376

約数和(自身を除く): 4911873

約数列:

[1, 3, 47, 141, 223, 421, 669, 1263, 10481, 19787, 31443, 59361, 93883, 281649, 4412501, 13237503]

約数ペア:

[(1, 13237503), (3, 4412501), (47, 281649), (141, 93883), (223, 59361), (421, 31443), (669, 19787), (1263, 10481)]