15991020003

素因数分解:

$3^1\times 7^2\times {\mathrm{108782449}}^1$

素因数の和:108782466

約数の個数: 12

約数和(自身を含む): 24802398600

約数和(自身を除く): 8811378597

約数列:

[1, 3, 7, 21, 49, 147, 108782449, 326347347, 761477143, 2284431429, 5330340001, 15991020003]

約数ペア:

[(1, 15991020003), (3, 5330340001), (7, 2284431429), (21, 761477143), (49, 326347347), (147, 108782449)]