2019979695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7921489}}^1$

素因数の和:7921514

約数の個数: 16

約数和(自身を含む): 3422083680

約数和(自身を除く): 1402103985

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 7921489, 23764467, 39607445, 118822335, 134665313, 403995939, 673326565, 2019979695]

約数ペア:

[(1, 2019979695), (3, 673326565), (5, 403995939), (15, 134665313), (17, 118822335), (51, 39607445), (85, 23764467), (255, 7921489)]