206125185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 393523200

約数和(自身を除く): 187398015

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 139, 145, 203, 417, 435, 487, 609, 695, 973, 1015, 1461, 2085, 2435, 2919, 3045, 3409, 4031, 4865, 7305, 10227, 12093, 14123, 14595, 17045, 20155, 28217, 42369, 51135, 60465, 67693, 70615, 84651, 98861, 141085, 203079, 211845, 296583, 338465, 423255, 473851, 494305, 1015395, 1421553, 1482915, 1963097, 2369255, 5889291, 7107765, 9815485, 13741679, 29446455, 41225037, 68708395, 206125185]

約数ペア:

[(1, 206125185), (3, 68708395), (5, 41225037), (7, 29446455), (15, 13741679), (21, 9815485), (29, 7107765), (35, 5889291), (87, 2369255), (105, 1963097), (139, 1482915), (145, 1421553), (203, 1015395), (417, 494305), (435, 473851), (487, 423255), (609, 338465), (695, 296583), (973, 211845), (1015, 203079), (1461, 141085), (2085, 98861), (2435, 84651), (2919, 70615), (3045, 67693), (3409, 60465), (4031, 51135), (4865, 42369), (7305, 28217), (10227, 20155), (12093, 17045), (14123, 14595)]