277220979

素因数分解:

$3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{5563}}^1$

素因数の和:5696

約数の個数: 36

約数和(自身を含む): 470013336

約数和(自身を除く): 192792357

約数列:

[1, 3, 7, 9, 21, 49, 63, 113, 147, 339, 441, 791, 1017, 2373, 5537, 5563, 7119, 16611, 16689, 38941, 49833, 50067, 116823, 272587, 350469, 628619, 817761, 1885857, 2453283, 4400333, 5657571, 13200999, 30802331, 39602997, 92406993, 277220979]

約数ペア:

[(1, 277220979), (3, 92406993), (7, 39602997), (9, 30802331), (21, 13200999), (49, 5657571), (63, 4400333), (113, 2453283), (147, 1885857), (339, 817761), (441, 628619), (791, 350469), (1017, 272587), (2373, 116823), (5537, 50067), (5563, 49833), (7119, 38941), (16611, 16689)]