201909591

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{191747}}^1$

素因数の和:191772

約数の個数: 20

約数和(自身を含む): 324821112

約数和(自身を除く): 122911521

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 191747, 575241, 1725723, 2492711, 5177169, 7478133, 15531507, 22434399, 67303197, 201909591]

約数ペア:

[(1, 201909591), (3, 67303197), (9, 22434399), (13, 15531507), (27, 7478133), (39, 5177169), (81, 2492711), (117, 1725723), (351, 575241), (1053, 191747)]