81492012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323381}}^1$

素因数の和:323398

約数の個数: 36

約数和(自身を含む): 235422096

約数和(自身を除く): 153930084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323381, 646762, 970143, 1293524, 1940286, 2263667, 2910429, 3880572, 4527334, 5820858, 6791001, 9054668, 11641716, 13582002, 20373003, 27164004, 40746006, 81492012]

約数ペア:

[(1, 81492012), (2, 40746006), (3, 27164004), (4, 20373003), (6, 13582002), (7, 11641716), (9, 9054668), (12, 6791001), (14, 5820858), (18, 4527334), (21, 3880572), (28, 2910429), (36, 2263667), (42, 1940286), (63, 1293524), (84, 970143), (126, 646762), (252, 323381)]