505890231

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1\times {\mathrm{757}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 851676672

約数和(自身を除く): 345786441

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 263, 363, 757, 789, 847, 1841, 2271, 2541, 2893, 5299, 5523, 8327, 8679, 15897, 20251, 24981, 31823, 58289, 60753, 91597, 95469, 174867, 199091, 222761, 274791, 597273, 641179, 668283, 1393637, 1923537, 2190001, 4180911, 6570003, 15330007, 24090011, 45990021, 72270033, 168630077, 505890231]

約数ペア:

[(1, 505890231), (3, 168630077), (7, 72270033), (11, 45990021), (21, 24090011), (33, 15330007), (77, 6570003), (121, 4180911), (231, 2190001), (263, 1923537), (363, 1393637), (757, 668283), (789, 641179), (847, 597273), (1841, 274791), (2271, 222761), (2541, 199091), (2893, 174867), (5299, 95469), (5523, 91597), (8327, 60753), (8679, 58289), (15897, 31823), (20251, 24981)]