81886875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 165547008

約数和(自身を除く): 83660133

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 367, 375, 425, 525, 595, 625, 875, 1101, 1275, 1785, 1835, 1875, 2125, 2569, 2625, 2975, 4375, 5505, 6239, 6375, 7707, 8925, 9175, 10625, 12845, 13125, 14875, 18717, 27525, 31195, 31875, 38535, 43673, 44625, 45875, 64225, 74375, 93585, 131019, 137625, 155975, 192675, 218365, 223125, 229375, 321125, 467925, 655095, 688125, 779875, 963375, 1091825, 1605625, 2339625, 3275475, 3899375, 4816875, 5459125, 11698125, 16377375, 27295625, 81886875]

約数ペア:

[(1, 81886875), (3, 27295625), (5, 16377375), (7, 11698125), (15, 5459125), (17, 4816875), (21, 3899375), (25, 3275475), (35, 2339625), (51, 1605625), (75, 1091825), (85, 963375), (105, 779875), (119, 688125), (125, 655095), (175, 467925), (255, 321125), (357, 229375), (367, 223125), (375, 218365), (425, 192675), (525, 155975), (595, 137625), (625, 131019), (875, 93585), (1101, 74375), (1275, 64225), (1785, 45875), (1835, 44625), (1875, 43673), (2125, 38535), (2569, 31875), (2625, 31195), (2975, 27525), (4375, 18717), (5505, 14875), (6239, 13125), (6375, 12845), (7707, 10625), (8925, 9175)]