25757109

素因数分解:

$3^4\times 7^1\times {\mathrm{45427}}^1$

素因数の和:45446

約数の個数: 20

約数和(自身を含む): 43974304

約数和(自身を除く): 18217195

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45427, 136281, 317989, 408843, 953967, 1226529, 2861901, 3679587, 8585703, 25757109]

約数ペア:

[(1, 25757109), (3, 8585703), (7, 3679587), (9, 2861901), (21, 1226529), (27, 953967), (63, 408843), (81, 317989), (189, 136281), (567, 45427)]