249546501

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{71647}}^1$

素因数の和:71702

約数の個数: 20

約数和(自身を含む): 381453952

約数和(自身を除く): 131907451

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 71647, 214941, 644823, 1934469, 3080821, 5803407, 9242463, 27727389, 83182167, 249546501]

約数ペア:

[(1, 249546501), (3, 83182167), (9, 27727389), (27, 9242463), (43, 5803407), (81, 3080821), (129, 1934469), (387, 644823), (1161, 214941), (3483, 71647)]