166779

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 20

約数和(自身を含む): 261360

約数和(自身を除く): 94581

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 213, 261, 639, 783, 1917, 2059, 2349, 5751, 6177, 18531, 55593, 166779]

約数ペア:

[(1, 166779), (3, 55593), (9, 18531), (27, 6177), (29, 5751), (71, 2349), (81, 2059), (87, 1917), (213, 783), (261, 639)]