28718709

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1873}}^1$

素因数の和:2164

約数の個数: 16

約数和(自身を含む): 40478400

約数和(自身を除く): 11759691

約数列:

[1, 3, 19, 57, 269, 807, 1873, 5111, 5619, 15333, 35587, 106761, 503837, 1511511, 9572903, 28718709]

約数ペア:

[(1, 28718709), (3, 9572903), (19, 1511511), (57, 503837), (269, 106761), (807, 35587), (1873, 15333), (5111, 5619)]