7871721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 12579840

約数和(自身を除く): 4708119

約数列:

[1, 3, 11, 13, 33, 39, 59, 143, 177, 311, 429, 649, 767, 933, 1947, 2301, 3421, 4043, 8437, 10263, 12129, 18349, 25311, 44473, 55047, 133419, 201839, 238537, 605517, 715611, 2623907, 7871721]

約数ペア:

[(1, 7871721), (3, 2623907), (11, 715611), (13, 605517), (33, 238537), (39, 201839), (59, 133419), (143, 55047), (177, 44473), (311, 25311), (429, 18349), (649, 12129), (767, 10263), (933, 8437), (1947, 4043), (2301, 3421)]