40488147

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 32087853

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 83, 87, 89, 189, 203, 249, 261, 267, 581, 609, 623, 747, 783, 801, 1743, 1827, 1869, 2241, 2403, 2407, 2581, 5229, 5481, 5607, 7221, 7387, 7743, 15687, 16821, 16849, 18067, 21663, 22161, 23229, 50547, 51709, 54201, 64989, 66483, 69687, 151641, 155127, 162603, 199449, 214223, 454923, 465381, 487809, 642669, 1396143, 1499561, 1928007, 4498683, 5784021, 13496049, 40488147]

約数ペア:

[(1, 40488147), (3, 13496049), (7, 5784021), (9, 4498683), (21, 1928007), (27, 1499561), (29, 1396143), (63, 642669), (83, 487809), (87, 465381), (89, 454923), (189, 214223), (203, 199449), (249, 162603), (261, 155127), (267, 151641), (581, 69687), (609, 66483), (623, 64989), (747, 54201), (783, 51709), (801, 50547), (1743, 23229), (1827, 22161), (1869, 21663), (2241, 18067), (2403, 16849), (2407, 16821), (2581, 15687), (5229, 7743), (5481, 7387), (5607, 7221)]