208021821

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5189}}^1$

素因数の和:5305

約数の個数: 32

約数和(自身を含む): 334817280

約数和(自身を除く): 126795459

約数列:

[1, 3, 7, 21, 23, 69, 83, 161, 249, 483, 581, 1743, 1909, 5189, 5727, 13363, 15567, 36323, 40089, 108969, 119347, 358041, 430687, 835429, 1292061, 2506287, 3014809, 9044427, 9905801, 29717403, 69340607, 208021821]

約数ペア:

[(1, 208021821), (3, 69340607), (7, 29717403), (21, 9905801), (23, 9044427), (69, 3014809), (83, 2506287), (161, 1292061), (249, 835429), (483, 430687), (581, 358041), (1743, 119347), (1909, 108969), (5189, 40089), (5727, 36323), (13363, 15567)]