42920031

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 77629440

約数和(自身を除く): 34709409

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 121, 127, 133, 147, 209, 231, 363, 381, 399, 539, 627, 847, 889, 931, 1397, 1463, 1617, 2299, 2413, 2541, 2667, 2793, 4191, 4389, 5929, 6223, 6897, 7239, 9779, 10241, 15367, 16093, 16891, 17787, 18669, 26543, 29337, 30723, 46101, 48279, 50673, 68453, 79629, 107569, 112651, 118237, 185801, 205359, 291973, 322707, 337953, 354711, 557403, 752983, 875919, 1300607, 2043811, 2258949, 3901821, 6131433, 14306677, 42920031]

約数ペア:

[(1, 42920031), (3, 14306677), (7, 6131433), (11, 3901821), (19, 2258949), (21, 2043811), (33, 1300607), (49, 875919), (57, 752983), (77, 557403), (121, 354711), (127, 337953), (133, 322707), (147, 291973), (209, 205359), (231, 185801), (363, 118237), (381, 112651), (399, 107569), (539, 79629), (627, 68453), (847, 50673), (889, 48279), (931, 46101), (1397, 30723), (1463, 29337), (1617, 26543), (2299, 18669), (2413, 17787), (2541, 16891), (2667, 16093), (2793, 15367), (4191, 10241), (4389, 9779), (5929, 7239), (6223, 6897)]