311746719

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 439121920

約数和(自身を除く): 127375201

約数列:

[1, 3, 37, 73, 79, 111, 219, 237, 487, 1461, 2701, 2923, 5767, 8103, 8769, 17301, 18019, 35551, 38473, 54057, 106653, 115419, 213379, 640137, 1315387, 1423501, 2808529, 3946161, 4270503, 8425587, 103915573, 311746719]

約数ペア:

[(1, 311746719), (3, 103915573), (37, 8425587), (73, 4270503), (79, 3946161), (111, 2808529), (219, 1423501), (237, 1315387), (487, 640137), (1461, 213379), (2701, 115419), (2923, 106653), (5767, 54057), (8103, 38473), (8769, 35551), (17301, 18019)]