248753757

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4909}}^1$

素因数の和:5065

約数の個数: 32

約数和(自身を含む): 402227200

約数和(自身を除く): 153473443

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 381, 399, 889, 2413, 2667, 4909, 7239, 14727, 16891, 34363, 50673, 93271, 103089, 279813, 623443, 652897, 1870329, 1958691, 4364101, 11845417, 13092303, 35536251, 82917919, 248753757]

約数ペア:

[(1, 248753757), (3, 82917919), (7, 35536251), (19, 13092303), (21, 11845417), (57, 4364101), (127, 1958691), (133, 1870329), (381, 652897), (399, 623443), (889, 279813), (2413, 103089), (2667, 93271), (4909, 50673), (7239, 34363), (14727, 16891)]