12960981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 20666880

約数和(自身を除く): 7705899

約数列:

[1, 3, 9, 11, 33, 89, 99, 267, 801, 979, 1471, 2937, 4413, 8811, 13239, 16181, 48543, 130919, 145629, 392757, 1178271, 1440109, 4320327, 12960981]

約数ペア:

[(1, 12960981), (3, 4320327), (9, 1440109), (11, 1178271), (33, 392757), (89, 145629), (99, 130919), (267, 48543), (801, 16181), (979, 13239), (1471, 8811), (2937, 4413)]