164392221

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211573}}^1$

素因数の和:211620

約数の個数: 16

約数和(自身を含む): 257273984

約数和(自身を除く): 92881763

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 211573, 634719, 1481011, 4443033, 7828201, 23484603, 54797407, 164392221]

約数ペア:

[(1, 164392221), (3, 54797407), (7, 23484603), (21, 7828201), (37, 4443033), (111, 1481011), (259, 634719), (777, 211573)]