12420525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12739}}^1$

素因数の和:12765

約数の個数: 24

約数和(自身を含む): 22116640

約数和(自身を除く): 9696115

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 12739, 38217, 63695, 165607, 191085, 318475, 496821, 828035, 955425, 2484105, 4140175, 12420525]

約数ペア:

[(1, 12420525), (3, 4140175), (5, 2484105), (13, 955425), (15, 828035), (25, 496821), (39, 318475), (65, 191085), (75, 165607), (195, 63695), (325, 38217), (975, 12739)]