1881711

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1812

約数の個数: 20

約数和(自身を含む): 3028872

約数和(自身を除く): 1147161

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1787, 5361, 16083, 23231, 48249, 69693, 144747, 209079, 627237, 1881711]

約数ペア:

[(1, 1881711), (3, 627237), (9, 209079), (13, 144747), (27, 69693), (39, 48249), (81, 23231), (117, 16083), (351, 5361), (1053, 1787)]