15765921

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{3299}}^1$

素因数の和:3370

約数の個数: 20

約数和(自身を含む): 23958000

約数和(自身を除く): 8192079

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 3299, 4779, 9897, 29691, 89073, 194641, 267219, 583923, 1751769, 5255307, 15765921]

約数ペア:

[(1, 15765921), (3, 5255307), (9, 1751769), (27, 583923), (59, 267219), (81, 194641), (177, 89073), (531, 29691), (1593, 9897), (3299, 4779)]