81279117

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{919}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 121704960

約数和(自身を除く): 40425843

約数列:

[1, 3, 9, 31, 93, 279, 317, 919, 951, 2757, 2853, 8271, 9827, 28489, 29481, 85467, 88443, 256401, 291323, 873969, 2621907, 9031013, 27093039, 81279117]

約数ペア:

[(1, 81279117), (3, 27093039), (9, 9031013), (31, 2621907), (93, 873969), (279, 291323), (317, 256401), (919, 88443), (951, 85467), (2757, 29481), (2853, 28489), (8271, 9827)]