11998557

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{1231}}^1$

素因数の和:1278

約数の個数: 24

約数和(自身を含む): 18775680

約数和(自身を除く): 6777123

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 1231, 3249, 3693, 9747, 11079, 23389, 33237, 70167, 210501, 444391, 631503, 1333173, 3999519, 11998557]

約数ペア:

[(1, 11998557), (3, 3999519), (9, 1333173), (19, 631503), (27, 444391), (57, 210501), (171, 70167), (361, 33237), (513, 23389), (1083, 11079), (1231, 9747), (3249, 3693)]