149777721

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{971}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 230947200

約数和(自身を除く): 81169479

約数列:

[1, 3, 9, 27, 29, 87, 197, 261, 591, 783, 971, 1773, 2913, 5319, 5713, 8739, 17139, 26217, 28159, 51417, 84477, 154251, 191287, 253431, 573861, 760293, 1721583, 5164749, 5547323, 16641969, 49925907, 149777721]

約数ペア:

[(1, 149777721), (3, 49925907), (9, 16641969), (27, 5547323), (29, 5164749), (87, 1721583), (197, 760293), (261, 573861), (591, 253431), (783, 191287), (971, 154251), (1773, 84477), (2913, 51417), (5319, 28159), (5713, 26217), (8739, 17139)]