1405521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 2247336

約数和(自身を除く): 841815

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 293, 369, 533, 879, 1599, 2637, 3809, 4797, 11427, 12013, 34281, 36039, 108117, 156169, 468507, 1405521]

約数ペア:

[(1, 1405521), (3, 468507), (9, 156169), (13, 108117), (39, 36039), (41, 34281), (117, 12013), (123, 11427), (293, 4797), (369, 3809), (533, 2637), (879, 1599)]