28131363

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8291}}^1$

素因数の和:8339

約数の個数: 24

約数和(自身を含む): 45274320

約数和(自身を除く): 17142957

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 8291, 24873, 74619, 107783, 240439, 323349, 721317, 970047, 2163951, 3125707, 9377121, 28131363]

約数ペア:

[(1, 28131363), (3, 9377121), (9, 3125707), (13, 2163951), (29, 970047), (39, 721317), (87, 323349), (117, 240439), (261, 107783), (377, 74619), (1131, 24873), (3393, 8291)]