42748479

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{7877}}^1$

素因数の和:7956

約数の個数: 20

約数和(自身を含む): 64820184

約数和(自身を除く): 22071705

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 7877, 23631, 70893, 212679, 527759, 638037, 1583277, 4749831, 14249493, 42748479]

約数ペア:

[(1, 42748479), (3, 14249493), (9, 4749831), (27, 1583277), (67, 638037), (81, 527759), (201, 212679), (603, 70893), (1809, 23631), (5427, 7877)]