8991801

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10979}}^1$

素因数の和:11005

約数の個数: 24

約数和(自身を含む): 15986880

約数和(自身を除く): 6995079

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 10979, 32937, 76853, 98811, 142727, 230559, 428181, 691677, 999089, 1284543, 2997267, 8991801]

約数ペア:

[(1, 8991801), (3, 2997267), (7, 1284543), (9, 999089), (13, 691677), (21, 428181), (39, 230559), (63, 142727), (91, 98811), (117, 76853), (273, 32937), (819, 10979)]