25251789

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1151}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 34504704

約数和(自身を除く): 9252915

約数列:

[1, 3, 71, 103, 213, 309, 1151, 3453, 7313, 21939, 81721, 118553, 245163, 355659, 8417263, 25251789]

約数ペア:

[(1, 25251789), (3, 8417263), (71, 355659), (103, 245163), (213, 118553), (309, 81721), (1151, 21939), (3453, 7313)]