78750879

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 106258944

約数和(自身を除く): 27508065

約数列:

[1, 3, 151, 263, 453, 661, 789, 1983, 39713, 99811, 119139, 173843, 299433, 521529, 26250293, 78750879]

約数ペア:

[(1, 78750879), (3, 26250293), (151, 521529), (263, 299433), (453, 173843), (661, 119139), (789, 99811), (1983, 39713)]