72440823

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 126443520

約数和(自身を除く): 54002697

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 83, 91, 139, 161, 249, 273, 299, 417, 483, 581, 897, 973, 1079, 1743, 1807, 1909, 2093, 2919, 3197, 3237, 5421, 5727, 6279, 7553, 9591, 11537, 12649, 13363, 22379, 22659, 24817, 34611, 37947, 40089, 41561, 67137, 74451, 80759, 124683, 149981, 173719, 242277, 265351, 290927, 449943, 521157, 796053, 872781, 1049867, 1857457, 3149601, 3449563, 5572371, 10348689, 24146941, 72440823]

約数ペア:

[(1, 72440823), (3, 24146941), (7, 10348689), (13, 5572371), (21, 3449563), (23, 3149601), (39, 1857457), (69, 1049867), (83, 872781), (91, 796053), (139, 521157), (161, 449943), (249, 290927), (273, 265351), (299, 242277), (417, 173719), (483, 149981), (581, 124683), (897, 80759), (973, 74451), (1079, 67137), (1743, 41561), (1807, 40089), (1909, 37947), (2093, 34611), (2919, 24817), (3197, 22659), (3237, 22379), (5421, 13363), (5727, 12649), (6279, 11537), (7553, 9591)]