157551219

素因数分解:

$3^2\times 7^4\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 60

約数和(自身を含む): 277904016

約数和(自身を除く): 120352797

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 317, 343, 441, 483, 951, 1029, 1127, 1449, 2219, 2401, 2853, 3087, 3381, 6657, 7203, 7291, 7889, 10143, 15533, 19971, 21609, 21873, 23667, 46599, 51037, 55223, 65619, 71001, 108731, 139797, 153111, 165669, 326193, 357259, 459333, 497007, 761117, 978579, 1071777, 2283351, 2500813, 3215331, 6850053, 7502439, 17505691, 22507317, 52517073, 157551219]

約数ペア:

[(1, 157551219), (3, 52517073), (7, 22507317), (9, 17505691), (21, 7502439), (23, 6850053), (49, 3215331), (63, 2500813), (69, 2283351), (147, 1071777), (161, 978579), (207, 761117), (317, 497007), (343, 459333), (441, 357259), (483, 326193), (951, 165669), (1029, 153111), (1127, 139797), (1449, 108731), (2219, 71001), (2401, 65619), (2853, 55223), (3087, 51037), (3381, 46599), (6657, 23667), (7203, 21873), (7291, 21609), (7889, 19971), (10143, 15533)]