278831433

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{188527}}^1$

素因数の和:188576

約数の個数: 16

約数和(自身を含む): 407220480

約数和(自身を除く): 128389047

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 188527, 565581, 3204959, 5467283, 9614877, 16401849, 92943811, 278831433]

約数ペア:

[(1, 278831433), (3, 92943811), (17, 16401849), (29, 9614877), (51, 5467283), (87, 3204959), (493, 565581), (1479, 188527)]