81023175

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{8783}}^1$

素因数の和:8840

約数の個数: 36

約数和(自身を含む): 148677984

約数和(自身を除く): 67654809

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 8783, 9225, 26349, 43915, 79047, 131745, 219575, 360103, 395235, 658725, 1080309, 1800515, 1976175, 3240927, 5401545, 9002575, 16204635, 27007725, 81023175]

約数ペア:

[(1, 81023175), (3, 27007725), (5, 16204635), (9, 9002575), (15, 5401545), (25, 3240927), (41, 1976175), (45, 1800515), (75, 1080309), (123, 658725), (205, 395235), (225, 360103), (369, 219575), (615, 131745), (1025, 79047), (1845, 43915), (3075, 26349), (8783, 9225)]