640440597

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1\times {\mathrm{5309}}^1$

素因数の和:5900

約数の個数: 16

約数和(自身を含む): 866592000

約数和(自身を除く): 226151403

約数列:

[1, 3, 79, 237, 509, 1527, 5309, 15927, 40211, 120633, 419411, 1258233, 2702281, 8106843, 213480199, 640440597]

約数ペア:

[(1, 640440597), (3, 213480199), (79, 8106843), (237, 2702281), (509, 1258233), (1527, 419411), (5309, 120633), (15927, 40211)]