217427091

素因数分解:

$3^1\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{6991}}^1$

素因数の和:8482

約数の個数: 16

約数和(自身を含む): 331588608

約数和(自身を除く): 114161517

約数列:

[1, 3, 7, 21, 1481, 4443, 6991, 10367, 20973, 31101, 48937, 146811, 10353671, 31061013, 72475697, 217427091]

約数ペア:

[(1, 217427091), (3, 72475697), (7, 31061013), (21, 10353671), (1481, 146811), (4443, 48937), (6991, 31101), (10367, 20973)]