70421481

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{66877}}^1$

素因数の和:66902

約数の個数: 20

約数和(自身を含む): 113291332

約数和(自身を除く): 42869851

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 66877, 200631, 601893, 869401, 1805679, 2608203, 5417037, 7824609, 23473827, 70421481]

約数ペア:

[(1, 70421481), (3, 23473827), (9, 7824609), (13, 5417037), (27, 2608203), (39, 1805679), (81, 869401), (117, 601893), (351, 200631), (1053, 66877)]