28119273

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103001}}^1$

素因数の和:103024

約数の個数: 16

約数和(自身を含む): 46144896

約数和(自身を除く): 18025623

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 103001, 309003, 721007, 1339013, 2163021, 4017039, 9373091, 28119273]

約数ペア:

[(1, 28119273), (3, 9373091), (7, 4017039), (13, 2163021), (21, 1339013), (39, 721007), (91, 309003), (273, 103001)]