126551421

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 185420664

約数和(自身を除く): 58869243

約数列:

[1, 3, 9, 137, 197, 411, 521, 591, 1233, 1563, 1773, 4689, 26989, 71377, 80967, 102637, 214131, 242901, 307911, 642393, 923733, 14061269, 42183807, 126551421]

約数ペア:

[(1, 126551421), (3, 42183807), (9, 14061269), (137, 923733), (197, 642393), (411, 307911), (521, 242901), (591, 214131), (1233, 102637), (1563, 80967), (1773, 71377), (4689, 26989)]