40001559

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 59458560

約数和(自身を除く): 19457001

約数列:

[1, 3, 13, 39, 47, 139, 141, 157, 417, 471, 611, 1807, 1833, 2041, 5421, 6123, 6533, 7379, 19599, 21823, 22137, 65469, 84929, 95927, 254787, 283699, 287781, 851097, 1025681, 3077043, 13333853, 40001559]

約数ペア:

[(1, 40001559), (3, 13333853), (13, 3077043), (39, 1025681), (47, 851097), (139, 287781), (141, 283699), (157, 254787), (417, 95927), (471, 84929), (611, 65469), (1807, 22137), (1833, 21823), (2041, 19599), (5421, 7379), (6123, 6533)]