210889091

素因数分解:

$7^3\times {\mathrm{197}}^1\times {\mathrm{3121}}^1$

素因数の和:3339

約数の個数: 16

約数和(自身を含む): 247262400

約数和(自身を除く): 36373309

約数列:

[1, 7, 49, 197, 343, 1379, 3121, 9653, 21847, 67571, 152929, 614837, 1070503, 4303859, 30127013, 210889091]

約数ペア:

[(1, 210889091), (7, 30127013), (49, 4303859), (197, 1070503), (343, 614837), (1379, 152929), (3121, 67571), (9653, 21847)]