72401637

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 127125504

約数和(自身を除く): 54723867

約数列:

[1, 3, 7, 11, 21, 33, 37, 43, 77, 111, 129, 197, 231, 259, 301, 407, 473, 591, 777, 903, 1221, 1379, 1419, 1591, 2167, 2849, 3311, 4137, 4773, 6501, 7289, 8471, 8547, 9933, 11137, 15169, 17501, 21867, 25413, 33411, 45507, 51023, 52503, 59297, 80179, 93181, 122507, 153069, 177891, 240537, 279543, 313427, 367521, 561253, 652267, 940281, 1683759, 1956801, 2193989, 3447697, 6581967, 10343091, 24133879, 72401637]

約数ペア:

[(1, 72401637), (3, 24133879), (7, 10343091), (11, 6581967), (21, 3447697), (33, 2193989), (37, 1956801), (43, 1683759), (77, 940281), (111, 652267), (129, 561253), (197, 367521), (231, 313427), (259, 279543), (301, 240537), (407, 177891), (473, 153069), (591, 122507), (777, 93181), (903, 80179), (1221, 59297), (1379, 52503), (1419, 51023), (1591, 45507), (2167, 33411), (2849, 25413), (3311, 21867), (4137, 17501), (4773, 15169), (6501, 11137), (7289, 9933), (8471, 8547)]