25970463

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{653}}^1$

素因数の和:1156

約数の個数: 20

約数和(自身を含む): 38933928

約数和(自身を除く): 12963465

約数列:

[1, 3, 9, 27, 81, 491, 653, 1473, 1959, 4419, 5877, 13257, 17631, 39771, 52893, 320623, 961869, 2885607, 8656821, 25970463]

約数ペア:

[(1, 25970463), (3, 8656821), (9, 2885607), (27, 961869), (81, 320623), (491, 52893), (653, 39771), (1473, 17631), (1959, 13257), (4419, 5877)]