12816909

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1553}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 21333312

約数和(自身を除く): 8516403

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 1553, 2751, 4659, 8253, 10871, 13977, 32613, 97839, 203443, 610329, 1424101, 1830987, 4272303, 12816909]

約数ペア:

[(1, 12816909), (3, 4272303), (7, 1830987), (9, 1424101), (21, 610329), (63, 203443), (131, 97839), (393, 32613), (917, 13977), (1179, 10871), (1553, 8253), (2751, 4659)]