378213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 561216

約数和(自身を除く): 183003

約数列:

[1, 3, 11, 33, 73, 157, 219, 471, 803, 1727, 2409, 5181, 11461, 34383, 126071, 378213]

約数ペア:

[(1, 378213), (3, 126071), (11, 34383), (33, 11461), (73, 5181), (157, 2409), (219, 1727), (471, 803)]