81365135

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{2729}}^1$

素因数の和:2890

約数の個数: 16

約数和(自身を含む): 100245600

約数和(自身を除く): 18880465

約数列:

[1, 5, 67, 89, 335, 445, 2729, 5963, 13645, 29815, 182843, 242881, 914215, 1214405, 16273027, 81365135]

約数ペア:

[(1, 81365135), (5, 16273027), (67, 1214405), (89, 914215), (335, 242881), (445, 182843), (2729, 29815), (5963, 13645)]