201121557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1663}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 330989568

約数和(自身を除く): 129868011

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 443, 1329, 1663, 3101, 4989, 5759, 9303, 11641, 17277, 21619, 34923, 40313, 64857, 120939, 151333, 453999, 736709, 2210127, 5156963, 9577217, 15470889, 28731651, 67040519, 201121557]

約数ペア:

[(1, 201121557), (3, 67040519), (7, 28731651), (13, 15470889), (21, 9577217), (39, 5156963), (91, 2210127), (273, 736709), (443, 453999), (1329, 151333), (1663, 120939), (3101, 64857), (4989, 40313), (5759, 34923), (9303, 21619), (11641, 17277)]