1920591

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 20

約数和(自身を含む): 2906904

約数和(自身を除く): 986313

約数列:

[1, 3, 9, 27, 81, 131, 181, 393, 543, 1179, 1629, 3537, 4887, 10611, 14661, 23711, 71133, 213399, 640197, 1920591]

約数ペア:

[(1, 1920591), (3, 640197), (9, 213399), (27, 71133), (81, 23711), (131, 14661), (181, 10611), (393, 4887), (543, 3537), (1179, 1629)]