12997791

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 19306560

約数和(自身を除く): 6308769

約数列:

[1, 3, 9, 79, 101, 181, 237, 303, 543, 711, 909, 1629, 7979, 14299, 18281, 23937, 42897, 54843, 71811, 128691, 164529, 1444199, 4332597, 12997791]

約数ペア:

[(1, 12997791), (3, 4332597), (9, 1444199), (79, 164529), (101, 128691), (181, 71811), (237, 54843), (303, 42897), (543, 23937), (711, 18281), (909, 14299), (1629, 7979)]