123996873

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 224243712

約数和(自身を除く): 100246839

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 157, 231, 263, 273, 429, 471, 789, 1001, 1099, 1727, 1841, 2041, 2893, 3003, 3297, 3419, 5181, 5523, 6123, 8679, 10257, 12089, 14287, 20251, 22451, 23933, 36267, 37609, 41291, 42861, 60753, 67353, 71799, 112827, 123873, 157157, 263263, 289037, 454201, 471471, 536783, 789789, 867111, 1362603, 1610349, 3179407, 3757481, 5904613, 9538221, 11272443, 17713839, 41332291, 123996873]

約数ペア:

[(1, 123996873), (3, 41332291), (7, 17713839), (11, 11272443), (13, 9538221), (21, 5904613), (33, 3757481), (39, 3179407), (77, 1610349), (91, 1362603), (143, 867111), (157, 789789), (231, 536783), (263, 471471), (273, 454201), (429, 289037), (471, 263263), (789, 157157), (1001, 123873), (1099, 112827), (1727, 71799), (1841, 67353), (2041, 60753), (2893, 42861), (3003, 41291), (3297, 37609), (3419, 36267), (5181, 23933), (5523, 22451), (6123, 20251), (8679, 14287), (10257, 12089)]