520242993

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{377809}}^1$

素因数の和:377838

約数の個数: 20

約数和(自身を含む): 822870180

約数和(自身を除く): 302627187

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 377809, 1133427, 3400281, 6422753, 10200843, 19268259, 30602529, 57804777, 173414331, 520242993]

約数ペア:

[(1, 520242993), (3, 173414331), (9, 57804777), (17, 30602529), (27, 19268259), (51, 10200843), (81, 6422753), (153, 3400281), (459, 1133427), (1377, 377809)]