9901521

素因数分解:

$3^5\times 7^1\times {\mathrm{5821}}^1$

素因数の和:5843

約数の個数: 24

約数和(自身を含む): 16953664

約数和(自身を除く): 7052143

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 5821, 17463, 40747, 52389, 122241, 157167, 366723, 471501, 1100169, 1414503, 3300507, 9901521]

約数ペア:

[(1, 9901521), (3, 3300507), (7, 1414503), (9, 1100169), (21, 471501), (27, 366723), (63, 157167), (81, 122241), (189, 52389), (243, 40747), (567, 17463), (1701, 5821)]