66267639

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{28211}}^1$

素因数の和:28252

約数の個数: 20

約数和(自身を含む): 102409560

約数和(自身を除く): 36141921

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 28211, 84633, 253899, 761697, 818119, 2285091, 2454357, 7363071, 22089213, 66267639]

約数ペア:

[(1, 66267639), (3, 22089213), (9, 7363071), (27, 2454357), (29, 2285091), (81, 818119), (87, 761697), (261, 253899), (783, 84633), (2349, 28211)]