57142005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1861}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 96526080

約数和(自身を除く): 39384075

約数列:

[1, 3, 5, 15, 23, 69, 89, 115, 267, 345, 445, 1335, 1861, 2047, 5583, 6141, 9305, 10235, 27915, 30705, 42803, 128409, 165629, 214015, 496887, 642045, 828145, 2484435, 3809467, 11428401, 19047335, 57142005]

約数ペア:

[(1, 57142005), (3, 19047335), (5, 11428401), (15, 3809467), (23, 2484435), (69, 828145), (89, 642045), (115, 496887), (267, 214015), (345, 165629), (445, 128409), (1335, 42803), (1861, 30705), (2047, 27915), (5583, 10235), (6141, 9305)]