127749853

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 166256640

約数和(自身を除く): 38506787

約数列:

[1, 7, 11, 31, 77, 109, 217, 341, 491, 763, 1199, 2387, 3379, 3437, 5401, 8393, 15221, 23653, 37169, 37807, 53519, 106547, 167431, 260183, 374633, 588709, 1172017, 1659089, 4120963, 11613623, 18249979, 127749853]

約数ペア:

[(1, 127749853), (7, 18249979), (11, 11613623), (31, 4120963), (77, 1659089), (109, 1172017), (217, 588709), (341, 374633), (491, 260183), (763, 167431), (1199, 106547), (2387, 53519), (3379, 37807), (3437, 37169), (5401, 23653), (8393, 15221)]