207172959

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3389}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 328043520

約数和(自身を除く): 120870561

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 287, 497, 861, 1491, 2911, 3389, 8733, 10167, 20377, 23723, 61131, 71169, 138949, 240619, 416847, 721857, 972643, 1684333, 2917929, 5052999, 9865379, 29596137, 69057653, 207172959]

約数ペア:

[(1, 207172959), (3, 69057653), (7, 29596137), (21, 9865379), (41, 5052999), (71, 2917929), (123, 1684333), (213, 972643), (287, 721857), (497, 416847), (861, 240619), (1491, 138949), (2911, 71169), (3389, 61131), (8733, 23723), (10167, 20377)]