251177031

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3187}}^1$

素因数の和:3345

約数の個数: 40

約数和(自身を含む): 432037760

約数和(自身を除く): 180860729

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 973, 1251, 2919, 3187, 3753, 8757, 9561, 11259, 22309, 26271, 28683, 66927, 78813, 86049, 200781, 258147, 442993, 602343, 1328979, 1807029, 3100951, 3986937, 9302853, 11960811, 27908559, 35882433, 83725677, 251177031]

約数ペア:

[(1, 251177031), (3, 83725677), (7, 35882433), (9, 27908559), (21, 11960811), (27, 9302853), (63, 3986937), (81, 3100951), (139, 1807029), (189, 1328979), (417, 602343), (567, 442993), (973, 258147), (1251, 200781), (2919, 86049), (3187, 78813), (3753, 66927), (8757, 28683), (9561, 26271), (11259, 22309)]