201518631

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{240763}}^1$

素因数の和:240803

約数の個数: 16

約数和(自身を含む): 308177920

約数和(自身を除く): 106659289

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 240763, 722289, 2166867, 6500601, 7463653, 22390959, 67172877, 201518631]

約数ペア:

[(1, 201518631), (3, 67172877), (9, 22390959), (27, 7463653), (31, 6500601), (93, 2166867), (279, 722289), (837, 240763)]