663507

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 1061424

約数和(自身を除く): 397917

約数列:

[1, 3, 9, 13, 39, 53, 107, 117, 159, 321, 477, 689, 963, 1391, 2067, 4173, 5671, 6201, 12519, 17013, 51039, 73723, 221169, 663507]

約数ペア:

[(1, 663507), (3, 221169), (9, 73723), (13, 51039), (39, 17013), (53, 12519), (107, 6201), (117, 5671), (159, 4173), (321, 2067), (477, 1391), (689, 963)]