31429971

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 17990829

約数列:

[1, 3, 9, 19, 27, 57, 171, 197, 311, 513, 591, 933, 1773, 2799, 3743, 5319, 5909, 8397, 11229, 17727, 33687, 53181, 61267, 101061, 159543, 183801, 551403, 1164073, 1654209, 3492219, 10476657, 31429971]

約数ペア:

[(1, 31429971), (3, 10476657), (9, 3492219), (19, 1654209), (27, 1164073), (57, 551403), (171, 183801), (197, 159543), (311, 101061), (513, 61267), (591, 53181), (933, 33687), (1773, 17727), (2799, 11229), (3743, 8397), (5319, 5909)]