15721483939

素因数分解:

$7^2\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{11717}}^1$

素因数の和:12067

約数の個数: 24

約数和(自身を含む): 18514908720

約数和(自身を除く): 2793424781

約数列:

[1, 7, 49, 139, 197, 973, 1379, 6811, 9653, 11717, 27383, 82019, 191681, 574133, 1341767, 1628663, 2308249, 11400641, 16157743, 79804487, 113104201, 320846611, 2245926277, 15721483939]

約数ペア:

[(1, 15721483939), (7, 2245926277), (49, 320846611), (139, 113104201), (197, 79804487), (973, 16157743), (1379, 11400641), (6811, 2308249), (9653, 1628663), (11717, 1341767), (27383, 574133), (82019, 191681)]