81906804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{325027}}^1$

素因数の和:325044

約数の個数: 36

約数和(自身を含む): 236620384

約数和(自身を除く): 154713580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 325027, 650054, 975081, 1300108, 1950162, 2275189, 2925243, 3900324, 4550378, 5850486, 6825567, 9100756, 11700972, 13651134, 20476701, 27302268, 40953402, 81906804]

約数ペア:

[(1, 81906804), (2, 40953402), (3, 27302268), (4, 20476701), (6, 13651134), (7, 11700972), (9, 9100756), (12, 6825567), (14, 5850486), (18, 4550378), (21, 3900324), (28, 2925243), (36, 2275189), (42, 1950162), (63, 1300108), (84, 975081), (126, 650054), (252, 325027)]