68142321

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:734

約数の個数: 36

約数和(自身を含む): 108254016

約数和(自身を除く): 40111695

約数列:

[1, 3, 9, 13, 39, 71, 117, 169, 213, 507, 631, 639, 923, 1521, 1893, 2769, 5679, 8203, 8307, 11999, 24609, 35997, 44801, 73827, 106639, 107991, 134403, 319917, 403209, 582413, 959751, 1747239, 5241717, 7571369, 22714107, 68142321]

約数ペア:

[(1, 68142321), (3, 22714107), (9, 7571369), (13, 5241717), (39, 1747239), (71, 959751), (117, 582413), (169, 403209), (213, 319917), (507, 134403), (631, 107991), (639, 106639), (923, 73827), (1521, 44801), (1893, 35997), (2769, 24609), (5679, 11999), (8203, 8307)]