13218813

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 20978880

約数和(自身を除く): 7760067

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3361, 3933, 10083, 30249, 63859, 77303, 191577, 231909, 574731, 695727, 1468757, 4406271, 13218813]

約数ペア:

[(1, 13218813), (3, 4406271), (9, 1468757), (19, 695727), (23, 574731), (57, 231909), (69, 191577), (171, 77303), (207, 63859), (437, 30249), (1311, 10083), (3361, 3933)]