25493211

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{641}}^1$

素因数の和:1144

約数の個数: 20

約数和(自身を含む): 38219544

約数和(自身を除く): 12726333

約数列:

[1, 3, 9, 27, 81, 491, 641, 1473, 1923, 4419, 5769, 13257, 17307, 39771, 51921, 314731, 944193, 2832579, 8497737, 25493211]

約数ペア:

[(1, 25493211), (3, 8497737), (9, 2832579), (27, 944193), (81, 314731), (491, 51921), (641, 39771), (1473, 17307), (1923, 13257), (4419, 5769)]