199018521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89527}}^1$

素因数の和:89565

約数の個数: 24

約数和(自身を含む): 325881920

約数和(自身を除く): 126863399

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 89527, 268581, 805743, 1163851, 1701013, 3491553, 5103039, 10474659, 15309117, 22113169, 66339507, 199018521]

約数ペア:

[(1, 199018521), (3, 66339507), (9, 22113169), (13, 15309117), (19, 10474659), (39, 5103039), (57, 3491553), (117, 1701013), (171, 1163851), (247, 805743), (741, 268581), (2223, 89527)]