311937561

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{296237}}^1$

素因数の和:296262

約数の個数: 20

約数和(自身を含む): 501827172

約数和(自身を除く): 189889611

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 296237, 888711, 2666133, 3851081, 7998399, 11553243, 23995197, 34659729, 103979187, 311937561]

約数ペア:

[(1, 311937561), (3, 103979187), (9, 34659729), (13, 23995197), (27, 11553243), (39, 7998399), (81, 3851081), (117, 2666133), (351, 888711), (1053, 296237)]