25749171

素因数分解:

$3^4\times 7^1\times {\mathrm{45413}}^1$

素因数の和:45432

約数の個数: 20

約数和(自身を含む): 43960752

約数和(自身を除く): 18211581

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45413, 136239, 317891, 408717, 953673, 1226151, 2861019, 3678453, 8583057, 25749171]

約数ペア:

[(1, 25749171), (3, 8583057), (7, 3678453), (9, 2861019), (21, 1226151), (27, 953673), (63, 408717), (81, 317891), (189, 136239), (567, 45413)]