820665867

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{619}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 1323129600

約数和(自身を除く): 502463733

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 311, 609, 619, 933, 1421, 1857, 2177, 4263, 4333, 6531, 9019, 12999, 15239, 17951, 27057, 30331, 45717, 53853, 63133, 90993, 125657, 189399, 192509, 376971, 441931, 577527, 879599, 1325793, 1347563, 2638797, 4042689, 5582761, 9432941, 16748283, 28298823, 39079327, 117237981, 273555289, 820665867]

約数ペア:

[(1, 820665867), (3, 273555289), (7, 117237981), (21, 39079327), (29, 28298823), (49, 16748283), (87, 9432941), (147, 5582761), (203, 4042689), (311, 2638797), (609, 1347563), (619, 1325793), (933, 879599), (1421, 577527), (1857, 441931), (2177, 376971), (4263, 192509), (4333, 189399), (6531, 125657), (9019, 90993), (12999, 63133), (15239, 53853), (17951, 45717), (27057, 30331)]