178408089

素因数分解:

$3^4\times {\mathrm{653}}^1\times {\mathrm{3373}}^1$

素因数の和:4038

約数の個数: 20

約数和(自身を含む): 266998116

約数和(自身を除く): 88590027

約数列:

[1, 3, 9, 27, 81, 653, 1959, 3373, 5877, 10119, 17631, 30357, 52893, 91071, 273213, 2202569, 6607707, 19823121, 59469363, 178408089]

約数ペア:

[(1, 178408089), (3, 59469363), (9, 19823121), (27, 6607707), (81, 2202569), (653, 273213), (1959, 91071), (3373, 52893), (5877, 30357), (10119, 17631)]