820873401

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{28571}}^1$

素因数の和:28792

約数の個数: 16

約数和(自身を含む): 1119565248

約数和(自身を除く): 298691847

約数列:

[1, 3, 61, 157, 183, 471, 9577, 28571, 28731, 85713, 1742831, 4485647, 5228493, 13456941, 273624467, 820873401]

約数ペア:

[(1, 820873401), (3, 273624467), (61, 13456941), (157, 5228493), (183, 4485647), (471, 1742831), (9577, 85713), (28571, 28731)]