9904923

素因数分解:

$3^7\times 7^1\times {\mathrm{647}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 17003520

約数和(自身を除く): 7098597

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 647, 729, 1701, 1941, 2187, 4529, 5103, 5823, 13587, 15309, 17469, 40761, 52407, 122283, 157221, 366849, 471663, 1100547, 1414989, 3301641, 9904923]

約数ペア:

[(1, 9904923), (3, 3301641), (7, 1414989), (9, 1100547), (21, 471663), (27, 366849), (63, 157221), (81, 122283), (189, 52407), (243, 40761), (567, 17469), (647, 15309), (729, 13587), (1701, 5823), (1941, 5103), (2187, 4529)]