30649983

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 53254656

約数和(自身を除く): 22604673

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 311, 361, 399, 741, 933, 1083, 1729, 2177, 2527, 4043, 4693, 5187, 5909, 6531, 7581, 12129, 14079, 17727, 28301, 32851, 41363, 76817, 84903, 98553, 112271, 124089, 230451, 336813, 537719, 785897, 1459523, 1613157, 2357691, 4378569, 10216661, 30649983]

約数ペア:

[(1, 30649983), (3, 10216661), (7, 4378569), (13, 2357691), (19, 1613157), (21, 1459523), (39, 785897), (57, 537719), (91, 336813), (133, 230451), (247, 124089), (273, 112271), (311, 98553), (361, 84903), (399, 76817), (741, 41363), (933, 32851), (1083, 28301), (1729, 17727), (2177, 14079), (2527, 12129), (4043, 7581), (4693, 6531), (5187, 5909)]