81630351

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{74959}}^1$

素因数の和:74987

約数の個数: 18

約数和(自身を含む): 129605840

約数和(自身を除く): 47975489

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 74959, 224877, 674631, 824549, 2473647, 7420941, 9070039, 27210117, 81630351]

約数ペア:

[(1, 81630351), (3, 27210117), (9, 9070039), (11, 7420941), (33, 2473647), (99, 824549), (121, 674631), (363, 224877), (1089, 74959)]