81348075

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{5927}}^1$

素因数の和:6004

約数の個数: 36

約数和(自身を含む): 148117008

約数和(自身を除く): 66768933

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1525, 2745, 4575, 5927, 13725, 17781, 29635, 53343, 88905, 148175, 266715, 361547, 444525, 1084641, 1333575, 1807735, 3253923, 5423205, 9038675, 16269615, 27116025, 81348075]

約数ペア:

[(1, 81348075), (3, 27116025), (5, 16269615), (9, 9038675), (15, 5423205), (25, 3253923), (45, 1807735), (61, 1333575), (75, 1084641), (183, 444525), (225, 361547), (305, 266715), (549, 148175), (915, 88905), (1525, 53343), (2745, 29635), (4575, 17781), (5927, 13725)]