215520977

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{2381}}^1$

素因数の和:2648

約数の個数: 16

約数和(自身を含む): 251386752

約数和(自身を除く): 35865775

約数列:

[1, 7, 67, 193, 469, 1351, 2381, 12931, 16667, 90517, 159527, 459533, 1116689, 3216731, 30788711, 215520977]

約数ペア:

[(1, 215520977), (7, 30788711), (67, 3216731), (193, 1116689), (469, 459533), (1351, 159527), (2381, 90517), (12931, 16667)]