31091973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 47744640

約数和(自身を除く): 16652667

約数列:

[1, 3, 11, 29, 33, 53, 87, 159, 319, 583, 613, 957, 1537, 1749, 1839, 4611, 6743, 16907, 17777, 20229, 32489, 50721, 53331, 97467, 195547, 357379, 586641, 942181, 1072137, 2826543, 10363991, 31091973]

約数ペア:

[(1, 31091973), (3, 10363991), (11, 2826543), (29, 1072137), (33, 942181), (53, 586641), (87, 357379), (159, 195547), (319, 97467), (583, 53331), (613, 50721), (957, 32489), (1537, 20229), (1749, 17777), (1839, 16907), (4611, 6743)]