25373979

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18427}}^1$

素因数の和:18456

約数の個数: 20

約数和(自身を含む): 40136184

約数和(自身を除く): 14762205

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18427, 55281, 165843, 313259, 497529, 939777, 1492587, 2819331, 8457993, 25373979]

約数ペア:

[(1, 25373979), (3, 8457993), (9, 2819331), (17, 1492587), (27, 939777), (51, 497529), (81, 313259), (153, 165843), (459, 55281), (1377, 18427)]