390689103

素因数分解:

$3^1\times 7^2\times {\mathrm{1259}}^1\times {\mathrm{2111}}^1$

素因数の和:3387

約数の個数: 24

約数和(自身を含む): 606735360

約数和(自身を除く): 216046257

約数列:

[1, 3, 7, 21, 49, 147, 1259, 2111, 3777, 6333, 8813, 14777, 26439, 44331, 61691, 103439, 185073, 310317, 2657749, 7973247, 18604243, 55812729, 130229701, 390689103]

約数ペア:

[(1, 390689103), (3, 130229701), (7, 55812729), (21, 18604243), (49, 7973247), (147, 2657749), (1259, 310317), (2111, 185073), (3777, 103439), (6333, 61691), (8813, 44331), (14777, 26439)]