55211427

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{21227}}^1$

素因数の和:21267

約数の個数: 18

約数和(自身を含む): 84720948

約数和(自身を除く): 29509521

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 21227, 63681, 191043, 360859, 1082577, 3247731, 6134603, 18403809, 55211427]

約数ペア:

[(1, 55211427), (3, 18403809), (9, 6134603), (17, 3247731), (51, 1082577), (153, 360859), (289, 191043), (867, 63681), (2601, 21227)]