243966

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:635

約数の個数: 16

約数和(自身を含む): 495504

約数和(自身を除く): 251538

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 557, 1114, 1671, 3342, 40661, 81322, 121983, 243966]

約数ペア:

[(1, 243966), (2, 121983), (3, 81322), (6, 40661), (73, 3342), (146, 1671), (219, 1114), (438, 557)]