42920493

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 33111507

約数列:

[1, 3, 7, 11, 21, 29, 33, 43, 77, 87, 129, 149, 203, 231, 301, 319, 447, 473, 609, 903, 957, 1043, 1247, 1419, 1639, 2233, 3129, 3311, 3741, 4321, 4917, 6407, 6699, 8729, 9933, 11473, 12963, 13717, 19221, 26187, 30247, 34419, 41151, 44849, 47531, 70477, 90741, 96019, 134547, 142593, 185803, 211431, 288057, 332717, 493339, 557409, 998151, 1300621, 1480017, 2043833, 3901863, 6131499, 14306831, 42920493]

約数ペア:

[(1, 42920493), (3, 14306831), (7, 6131499), (11, 3901863), (21, 2043833), (29, 1480017), (33, 1300621), (43, 998151), (77, 557409), (87, 493339), (129, 332717), (149, 288057), (203, 211431), (231, 185803), (301, 142593), (319, 134547), (447, 96019), (473, 90741), (609, 70477), (903, 47531), (957, 44849), (1043, 41151), (1247, 34419), (1419, 30247), (1639, 26187), (2233, 19221), (3129, 13717), (3311, 12963), (3741, 11473), (4321, 9933), (4917, 8729), (6407, 6699)]