420430587

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{617}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 615112704

約数和(自身を除く): 194682117

約数列:

[1, 3, 17, 31, 51, 93, 431, 527, 617, 1293, 1581, 1851, 7327, 10489, 13361, 19127, 21981, 31467, 40083, 57381, 227137, 265927, 325159, 681411, 797781, 975477, 4520759, 8243737, 13562277, 24731211, 140143529, 420430587]

約数ペア:

[(1, 420430587), (3, 140143529), (17, 24731211), (31, 13562277), (51, 8243737), (93, 4520759), (431, 975477), (527, 797781), (617, 681411), (1293, 325159), (1581, 265927), (1851, 227137), (7327, 57381), (10489, 40083), (13361, 31467), (19127, 21981)]