8191521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 12992616

約数和(自身を除く): 4801095

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 1321, 2067, 3963, 6201, 11889, 17173, 51519, 70013, 154557, 210039, 630117, 910169, 2730507, 8191521]

約数ペア:

[(1, 8191521), (3, 2730507), (9, 910169), (13, 630117), (39, 210039), (53, 154557), (117, 70013), (159, 51519), (477, 17173), (689, 11889), (1321, 6201), (2067, 3963)]