13291299

素因数分解:

$3^2\times 7^2\times {\mathrm{30139}}^1$

素因数の和:30159

約数の個数: 18

約数和(自身を含む): 22333740

約数和(自身を除く): 9042441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 30139, 90417, 210973, 271251, 632919, 1476811, 1898757, 4430433, 13291299]

約数ペア:

[(1, 13291299), (3, 4430433), (7, 1898757), (9, 1476811), (21, 632919), (49, 271251), (63, 210973), (147, 90417), (441, 30139)]