2051215785

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{660617}}^1$

素因数の和:660654

約数の個数: 32

約数和(自身を含む): 3805159680

約数和(自身を除く): 1753943895

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 660617, 1981851, 3303085, 5945553, 9909255, 15194191, 17836659, 29727765, 45582573, 75970955, 89183295, 136747719, 227912865, 410243157, 683738595, 2051215785]

約数ペア:

[(1, 2051215785), (3, 683738595), (5, 410243157), (9, 227912865), (15, 136747719), (23, 89183295), (27, 75970955), (45, 45582573), (69, 29727765), (115, 17836659), (135, 15194191), (207, 9909255), (345, 5945553), (621, 3303085), (1035, 1981851), (3105, 660617)]