1387904049

素因数分解:

$3^2\times 7^1\times {\mathrm{4159}}^1\times {\mathrm{5297}}^1$

素因数の和:9469

約数の個数: 24

約数和(自身を含む): 2292126720

約数和(自身を除く): 904222671

約数列:

[1, 3, 7, 9, 21, 63, 4159, 5297, 12477, 15891, 29113, 37079, 37431, 47673, 87339, 111237, 262017, 333711, 22030223, 66090669, 154211561, 198272007, 462634683, 1387904049]

約数ペア:

[(1, 1387904049), (3, 462634683), (7, 198272007), (9, 154211561), (21, 66090669), (63, 22030223), (4159, 333711), (5297, 262017), (12477, 111237), (15891, 87339), (29113, 47673), (37079, 37431)]