204595209

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{249811}}^1$

素因数の和:249837

約数の個数: 24

約数和(自身を含む): 363726272

約数和(自身を除く): 159131063

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 249811, 749433, 1748677, 2248299, 3247543, 5246031, 9742629, 15738093, 22732801, 29227887, 68198403, 204595209]

約数ペア:

[(1, 204595209), (3, 68198403), (7, 29227887), (9, 22732801), (13, 15738093), (21, 9742629), (39, 5246031), (63, 3247543), (91, 2248299), (117, 1748677), (273, 749433), (819, 249811)]