7431021

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{7057}}^1$

素因数の和:7082

約数の個数: 20

約数和(自身を含む): 11956252

約数和(自身を除く): 4525231

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 7057, 21171, 63513, 91741, 190539, 275223, 571617, 825669, 2477007, 7431021]

約数ペア:

[(1, 7431021), (3, 2477007), (9, 825669), (13, 571617), (27, 275223), (39, 190539), (81, 91741), (117, 63513), (351, 21171), (1053, 7057)]