438984273

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51871}}^1$

素因数の和:51925

約数の個数: 32

約数和(自身を含む): 743636992

約数和(自身を除く): 304652719

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 51871, 155613, 363097, 674323, 1089291, 1608001, 2022969, 4720261, 4824003, 11256007, 14160783, 20904013, 33768021, 62712039, 146328091, 438984273]

約数ペア:

[(1, 438984273), (3, 146328091), (7, 62712039), (13, 33768021), (21, 20904013), (31, 14160783), (39, 11256007), (91, 4824003), (93, 4720261), (217, 2022969), (273, 1608001), (403, 1089291), (651, 674323), (1209, 363097), (2821, 155613), (8463, 51871)]