209270985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{443}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 419420160

約数和(自身を除く): 210149175

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 409, 443, 1155, 1227, 1329, 2045, 2215, 2863, 3101, 4499, 4873, 6135, 6645, 8589, 9303, 13497, 14315, 14619, 15505, 22495, 24365, 31493, 34111, 42945, 46515, 67485, 73095, 94479, 102333, 157465, 170555, 181187, 472395, 511665, 543561, 905935, 1268309, 1993057, 2717805, 3804927, 5979171, 6341545, 9965285, 13951399, 19024635, 29895855, 41854197, 69756995, 209270985]

約数ペア:

[(1, 209270985), (3, 69756995), (5, 41854197), (7, 29895855), (11, 19024635), (15, 13951399), (21, 9965285), (33, 6341545), (35, 5979171), (55, 3804927), (77, 2717805), (105, 1993057), (165, 1268309), (231, 905935), (385, 543561), (409, 511665), (443, 472395), (1155, 181187), (1227, 170555), (1329, 157465), (2045, 102333), (2215, 94479), (2863, 73095), (3101, 67485), (4499, 46515), (4873, 42945), (6135, 34111), (6645, 31493), (8589, 24365), (9303, 22495), (13497, 15505), (14315, 14619)]