389529

素因数分解:

$3^5\times 7^1\times {\mathrm{229}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 669760

約数和(自身を除く): 280231

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 229, 243, 567, 687, 1603, 1701, 2061, 4809, 6183, 14427, 18549, 43281, 55647, 129843, 389529]

約数ペア:

[(1, 389529), (3, 129843), (7, 55647), (9, 43281), (21, 18549), (27, 14427), (63, 6183), (81, 4809), (189, 2061), (229, 1701), (243, 1603), (567, 687)]