31320289

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 42771456

約数和(自身を除く): 11451167

約数列:

[1, 7, 11, 13, 67, 77, 91, 143, 467, 469, 737, 871, 1001, 3269, 5137, 5159, 6071, 6097, 9581, 31289, 35959, 42497, 66781, 67067, 219023, 344179, 406757, 467467, 2409253, 2847299, 4474327, 31320289]

約数ペア:

[(1, 31320289), (7, 4474327), (11, 2847299), (13, 2409253), (67, 467467), (77, 406757), (91, 344179), (143, 219023), (467, 67067), (469, 66781), (737, 42497), (871, 35959), (1001, 31289), (3269, 9581), (5137, 6097), (5159, 6071)]