394411263

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{131}}^2\times {\mathrm{163}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 544521984

約数和(自身を除く): 150110721

約数列:

[1, 3, 47, 131, 141, 163, 393, 489, 6157, 7661, 17161, 18471, 21353, 22983, 51483, 64059, 806567, 1003591, 2419701, 2797243, 3010773, 8391729, 131470421, 394411263]

約数ペア:

[(1, 394411263), (3, 131470421), (47, 8391729), (131, 3010773), (141, 2797243), (163, 2419701), (393, 1003591), (489, 806567), (6157, 64059), (7661, 51483), (17161, 22983), (18471, 21353)]