39949749

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:754

約数の個数: 36

約数和(自身を含む): 67671084

約数和(自身を除く): 27721335

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 441, 471, 577, 1099, 1413, 1731, 3297, 4039, 5193, 7693, 9891, 12117, 23079, 28273, 36351, 69237, 84819, 90589, 254457, 271767, 634123, 815301, 1902369, 4438861, 5707107, 13316583, 39949749]

約数ペア:

[(1, 39949749), (3, 13316583), (7, 5707107), (9, 4438861), (21, 1902369), (49, 815301), (63, 634123), (147, 271767), (157, 254457), (441, 90589), (471, 84819), (577, 69237), (1099, 36351), (1413, 28273), (1731, 23079), (3297, 12117), (4039, 9891), (5193, 7693)]