8242971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 12680448

約数和(自身を除く): 4437477

約数列:

[1, 3, 11, 33, 37, 43, 111, 129, 157, 407, 471, 473, 1221, 1419, 1591, 1727, 4773, 5181, 5809, 6751, 17427, 17501, 20253, 52503, 63899, 74261, 191697, 222783, 249787, 749361, 2747657, 8242971]

約数ペア:

[(1, 8242971), (3, 2747657), (11, 749361), (33, 249787), (37, 222783), (43, 191697), (111, 74261), (129, 63899), (157, 52503), (407, 20253), (471, 17501), (473, 17427), (1221, 6751), (1419, 5809), (1591, 5181), (1727, 4773)]