155571213

素因数分解:

$3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{19861}}^1$

素因数の和:20244

約数の個数: 16

約数和(自身を含む): 237708416

約数和(自身を除く): 82137203

約数列:

[1, 3, 7, 21, 373, 1119, 2611, 7833, 19861, 59583, 139027, 417081, 7408153, 22224459, 51857071, 155571213]

約数ペア:

[(1, 155571213), (3, 51857071), (7, 22224459), (21, 7408153), (373, 417081), (1119, 139027), (2611, 59583), (7833, 19861)]