278319379527

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1543}}^1\times {\mathrm{26267}}^1$

素因数の和:27932

約数の個数: 48

約数和(自身を含む): 463981140480

約数和(自身を除く): 185661760953

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 1543, 2289, 4629, 6867, 10801, 13887, 26267, 32403, 78801, 97209, 168187, 183869, 236403, 504561, 551607, 1177309, 1513683, 1654821, 2863103, 3531927, 8589309, 10595781, 20041721, 25767927, 40529981, 60125163, 121589943, 180375489, 283709867, 364769829, 851129601, 2553388803, 4417767929, 13253303787, 30924375503, 39759911361, 92773126509, 278319379527]

約数ペア:

[(1, 278319379527), (3, 92773126509), (7, 39759911361), (9, 30924375503), (21, 13253303787), (63, 4417767929), (109, 2553388803), (327, 851129601), (763, 364769829), (981, 283709867), (1543, 180375489), (2289, 121589943), (4629, 60125163), (6867, 40529981), (10801, 25767927), (13887, 20041721), (26267, 10595781), (32403, 8589309), (78801, 3531927), (97209, 2863103), (168187, 1654821), (183869, 1513683), (236403, 1177309), (504561, 551607)]