390339

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 20

約数和(自身を含む): 600160

約数和(自身を除く): 209821

約数列:

[1, 3, 9, 27, 61, 79, 81, 183, 237, 549, 711, 1647, 2133, 4819, 4941, 6399, 14457, 43371, 130113, 390339]

約数ペア:

[(1, 390339), (3, 130113), (9, 43371), (27, 14457), (61, 6399), (79, 4941), (81, 4819), (183, 2133), (237, 1647), (549, 711)]