206186271

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 297665280

約数和(自身を除く): 91479009

約数列:

[1, 3, 19, 53, 57, 131, 159, 393, 521, 1007, 1563, 2489, 3021, 6943, 7467, 9899, 20829, 27613, 29697, 68251, 82839, 131917, 204753, 395751, 524647, 1296769, 1573941, 3617303, 3890307, 10851909, 68728757, 206186271]

約数ペア:

[(1, 206186271), (3, 68728757), (19, 10851909), (53, 3890307), (57, 3617303), (131, 1573941), (159, 1296769), (393, 524647), (521, 395751), (1007, 204753), (1563, 131917), (2489, 82839), (3021, 68251), (6943, 29697), (7467, 27613), (9899, 20829)]