219099777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 324124416

約数和(自身を除く): 105024639

約数列:

[1, 3, 13, 39, 41, 123, 263, 521, 533, 789, 1563, 1599, 3419, 6773, 10257, 10783, 20319, 21361, 32349, 64083, 137023, 140179, 277693, 411069, 420537, 833079, 1781299, 5343897, 5617943, 16853829, 73033259, 219099777]

約数ペア:

[(1, 219099777), (3, 73033259), (13, 16853829), (39, 5617943), (41, 5343897), (123, 1781299), (263, 833079), (521, 420537), (533, 411069), (789, 277693), (1563, 140179), (1599, 137023), (3419, 64083), (6773, 32349), (10257, 21361), (10783, 20319)]