311929761

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5231}}^1$

素因数の和:5397

約数の個数: 32

約数和(自身を含む): 492226560

約数和(自身を除く): 180296799

約数列:

[1, 3, 11, 13, 33, 39, 139, 143, 417, 429, 1529, 1807, 4587, 5231, 5421, 15693, 19877, 57541, 59631, 68003, 172623, 204009, 727109, 748033, 2181327, 2244099, 7998199, 9452417, 23994597, 28357251, 103976587, 311929761]

約数ペア:

[(1, 311929761), (3, 103976587), (11, 28357251), (13, 23994597), (33, 9452417), (39, 7998199), (139, 2244099), (143, 2181327), (417, 748033), (429, 727109), (1529, 204009), (1807, 172623), (4587, 68003), (5231, 59631), (5421, 57541), (15693, 19877)]