12986613

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 19618560

約数和(自身を除く): 6631947

約数列:

[1, 3, 9, 31, 89, 93, 267, 279, 523, 801, 1569, 2759, 4707, 8277, 16213, 24831, 46547, 48639, 139641, 145917, 418923, 1442957, 4328871, 12986613]

約数ペア:

[(1, 12986613), (3, 4328871), (9, 1442957), (31, 418923), (89, 145917), (93, 139641), (267, 48639), (279, 46547), (523, 24831), (801, 16213), (1569, 8277), (2759, 4707)]