40156137

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 72985536

約数和(自身を除く): 32829399

約数列:

[1, 3, 7, 9, 21, 23, 37, 49, 63, 69, 107, 111, 147, 161, 207, 259, 321, 333, 441, 483, 749, 777, 851, 963, 1127, 1449, 1813, 2247, 2331, 2461, 2553, 3381, 3959, 5243, 5439, 5957, 6741, 7383, 7659, 10143, 11877, 15729, 16317, 17227, 17871, 22149, 27713, 35631, 41699, 47187, 51681, 53613, 83139, 91057, 120589, 125097, 155043, 193991, 249417, 273171, 361767, 375291, 581973, 637399, 819513, 1085301, 1745919, 1912197, 4461793, 5736591, 13385379, 40156137]

約数ペア:

[(1, 40156137), (3, 13385379), (7, 5736591), (9, 4461793), (21, 1912197), (23, 1745919), (37, 1085301), (49, 819513), (63, 637399), (69, 581973), (107, 375291), (111, 361767), (147, 273171), (161, 249417), (207, 193991), (259, 155043), (321, 125097), (333, 120589), (441, 91057), (483, 83139), (749, 53613), (777, 51681), (851, 47187), (963, 41699), (1127, 35631), (1449, 27713), (1813, 22149), (2247, 17871), (2331, 17227), (2461, 16317), (2553, 15729), (3381, 11877), (3959, 10143), (5243, 7659), (5439, 7383), (5957, 6741)]