40338711

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 73198944

約数和(自身を除く): 32860233

約数列:

[1, 3, 7, 9, 21, 23, 41, 49, 63, 69, 97, 123, 147, 161, 207, 287, 291, 369, 441, 483, 679, 861, 873, 943, 1127, 1449, 2009, 2037, 2231, 2583, 2829, 3381, 3977, 4753, 6027, 6111, 6601, 6693, 8487, 10143, 11931, 14259, 15617, 18081, 19803, 20079, 27839, 35793, 42777, 46207, 46851, 59409, 83517, 91471, 109319, 138621, 140553, 194873, 250551, 274413, 327957, 415863, 584619, 640297, 823239, 983871, 1753857, 1920891, 4482079, 5762673, 13446237, 40338711]

約数ペア:

[(1, 40338711), (3, 13446237), (7, 5762673), (9, 4482079), (21, 1920891), (23, 1753857), (41, 983871), (49, 823239), (63, 640297), (69, 584619), (97, 415863), (123, 327957), (147, 274413), (161, 250551), (207, 194873), (287, 140553), (291, 138621), (369, 109319), (441, 91471), (483, 83517), (679, 59409), (861, 46851), (873, 46207), (943, 42777), (1127, 35793), (1449, 27839), (2009, 20079), (2037, 19803), (2231, 18081), (2583, 15617), (2829, 14259), (3381, 11931), (3977, 10143), (4753, 8487), (6027, 6693), (6111, 6601)]