2809443

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 4741632

約数和(自身を除く): 1932189

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 251, 273, 287, 533, 753, 861, 1599, 1757, 3263, 3731, 5271, 9789, 10291, 11193, 22841, 30873, 68523, 72037, 133783, 216111, 401349, 936481, 2809443]

約数ペア:

[(1, 2809443), (3, 936481), (7, 401349), (13, 216111), (21, 133783), (39, 72037), (41, 68523), (91, 30873), (123, 22841), (251, 11193), (273, 10291), (287, 9789), (533, 5271), (753, 3731), (861, 3263), (1599, 1757)]