81690903

素因数分解:

$3^3\times 7^1\times {\mathrm{432227}}^1$

素因数の和:432243

約数の個数: 16

約数和(自身を含む): 138312960

約数和(自身を除く): 56622057

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 432227, 1296681, 3025589, 3890043, 9076767, 11670129, 27230301, 81690903]

約数ペア:

[(1, 81690903), (3, 27230301), (7, 11670129), (9, 9076767), (21, 3890043), (27, 3025589), (63, 1296681), (189, 432227)]