81120675

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{10709}}^1$

素因数の和:10823

約数の個数: 24

約数和(自身を含む): 135460080

約数和(自身を除く): 54339405

約数列:

[1, 3, 5, 15, 25, 75, 101, 303, 505, 1515, 2525, 7575, 10709, 32127, 53545, 160635, 267725, 803175, 1081609, 3244827, 5408045, 16224135, 27040225, 81120675]

約数ペア:

[(1, 81120675), (3, 27040225), (5, 16224135), (15, 5408045), (25, 3244827), (75, 1081609), (101, 803175), (303, 267725), (505, 160635), (1515, 53545), (2525, 32127), (7575, 10709)]