198156777

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42697}}^1$

素因数の和:42737

約数の個数: 32

約数和(自身を含む): 344316672

約数和(自身を除く): 146159895

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 42697, 128091, 298879, 555061, 725849, 896637, 1665183, 2177547, 3885427, 5080943, 9436037, 11656281, 15242829, 28308111, 66052259, 198156777]

約数ペア:

[(1, 198156777), (3, 66052259), (7, 28308111), (13, 15242829), (17, 11656281), (21, 9436037), (39, 5080943), (51, 3885427), (91, 2177547), (119, 1665183), (221, 896637), (273, 725849), (357, 555061), (663, 298879), (1547, 128091), (4641, 42697)]