221645907

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{21067}}^1$

素因数の和:21247

約数の個数: 24

約数和(自身を含む): 368100096

約数和(自身を除く): 146454189

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 3507, 10521, 21067, 63201, 147469, 189603, 442407, 1327221, 3518189, 10554567, 24627323, 31663701, 73881969, 221645907]

約数ペア:

[(1, 221645907), (3, 73881969), (7, 31663701), (9, 24627323), (21, 10554567), (63, 3518189), (167, 1327221), (501, 442407), (1169, 189603), (1503, 147469), (3507, 63201), (10521, 21067)]