11821719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3331}}^1$

素因数の和:3367

約数の個数: 24

約数和(自身を含む): 19512192

約数和(自身を除く): 7690473

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3331, 3549, 9993, 23317, 43303, 69951, 129909, 303121, 562939, 909363, 1688817, 3940573, 11821719]

約数ペア:

[(1, 11821719), (3, 3940573), (7, 1688817), (13, 909363), (21, 562939), (39, 303121), (91, 129909), (169, 69951), (273, 43303), (507, 23317), (1183, 9993), (3331, 3549)]