1397489427

素因数分解:

$3^2\times {\mathrm{503}}^1\times {\mathrm{308701}}^1$

素因数の和:309210

約数の個数: 12

約数和(自身を含む): 2022615504

約数和(自身を除く): 625126077

約数列:

[1, 3, 9, 503, 1509, 4527, 308701, 926103, 2778309, 155276603, 465829809, 1397489427]

約数ペア:

[(1, 1397489427), (3, 465829809), (9, 155276603), (503, 2778309), (1509, 926103), (4527, 308701)]