215290431

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{10271}}^1$

素因数の和:10431

約数の個数: 24

約数和(自身を含む): 331703424

約数和(自身を除く): 116412993

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 2329, 6987, 10271, 20961, 30813, 92439, 174607, 523821, 1407127, 1571463, 4221381, 12664143, 23921159, 71763477, 215290431]

約数ペア:

[(1, 215290431), (3, 71763477), (9, 23921159), (17, 12664143), (51, 4221381), (137, 1571463), (153, 1407127), (411, 523821), (1233, 174607), (2329, 92439), (6987, 30813), (10271, 20961)]