205316565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1442

約数の個数: 64

約数和(自身を含む): 378224640

約数和(自身を除く): 172908075

約数列:

[1, 3, 5, 15, 17, 19, 31, 51, 57, 85, 93, 95, 155, 255, 285, 323, 465, 527, 589, 969, 1367, 1581, 1615, 1767, 2635, 2945, 4101, 4845, 6835, 7905, 8835, 10013, 20505, 23239, 25973, 30039, 42377, 50065, 69717, 77919, 116195, 127131, 129865, 150195, 211885, 348585, 389595, 441541, 635655, 720409, 805163, 1324623, 2161227, 2207705, 2415489, 3602045, 4025815, 6623115, 10806135, 12077445, 13687771, 41063313, 68438855, 205316565]

約数ペア:

[(1, 205316565), (3, 68438855), (5, 41063313), (15, 13687771), (17, 12077445), (19, 10806135), (31, 6623115), (51, 4025815), (57, 3602045), (85, 2415489), (93, 2207705), (95, 2161227), (155, 1324623), (255, 805163), (285, 720409), (323, 635655), (465, 441541), (527, 389595), (589, 348585), (969, 211885), (1367, 150195), (1581, 129865), (1615, 127131), (1767, 116195), (2635, 77919), (2945, 69717), (4101, 50065), (4845, 42377), (6835, 30039), (7905, 25973), (8835, 23239), (10013, 20505)]