221515077

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{15581}}^1$

素因数の和:16268

約数の個数: 16

約数和(自身を含む): 338067072

約数和(自身を除く): 116551995

約数列:

[1, 3, 7, 21, 677, 2031, 4739, 14217, 15581, 46743, 109067, 327201, 10548337, 31645011, 73838359, 221515077]

約数ペア:

[(1, 221515077), (3, 73838359), (7, 31645011), (21, 10548337), (677, 327201), (2031, 109067), (4739, 46743), (14217, 15581)]