428068395

素因数分解:

$3^4\times 5^1\times {\mathrm{1056959}}^1$

素因数の和:1056976

約数の個数: 20

約数和(自身を含む): 767352960

約数和(自身を除く): 339284565

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1056959, 3170877, 5284795, 9512631, 15854385, 28537893, 47563155, 85613679, 142689465, 428068395]

約数ペア:

[(1, 428068395), (3, 142689465), (5, 85613679), (9, 47563155), (15, 28537893), (27, 15854385), (45, 9512631), (81, 5284795), (135, 3170877), (405, 1056959)]