66728529

素因数分解:

$3^5\times 7^1\times {\mathrm{39229}}^1$

素因数の和:39251

約数の個数: 24

約数和(自身を含む): 114237760

約数和(自身を除く): 47509231

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 39229, 117687, 274603, 353061, 823809, 1059183, 2471427, 3177549, 7414281, 9532647, 22242843, 66728529]

約数ペア:

[(1, 66728529), (3, 22242843), (7, 9532647), (9, 7414281), (21, 3177549), (27, 2471427), (63, 1059183), (81, 823809), (189, 353061), (243, 274603), (567, 117687), (1701, 39229)]