81940605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{237509}}^1$

素因数の和:237540

約数の個数: 16

約数和(自身を含む): 136805760

約数和(自身を除く): 54865155

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 237509, 712527, 1187545, 3562635, 5462707, 16388121, 27313535, 81940605]

約数ペア:

[(1, 81940605), (3, 27313535), (5, 16388121), (15, 5462707), (23, 3562635), (69, 1187545), (115, 712527), (345, 237509)]