2021777655

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{7481}}^1$

素因数の和:7951

約数の個数: 32

約数和(自身を含む): 3318416640

約数和(自身を除く): 1296638985

約数列:

[1, 3, 5, 15, 43, 129, 215, 419, 645, 1257, 2095, 6285, 7481, 18017, 22443, 37405, 54051, 90085, 112215, 270255, 321683, 965049, 1608415, 3134539, 4825245, 9403617, 15672695, 47018085, 134785177, 404355531, 673925885, 2021777655]

約数ペア:

[(1, 2021777655), (3, 673925885), (5, 404355531), (15, 134785177), (43, 47018085), (129, 15672695), (215, 9403617), (419, 4825245), (645, 3134539), (1257, 1608415), (2095, 965049), (6285, 321683), (7481, 270255), (18017, 112215), (22443, 90085), (37405, 54051)]