201771759

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 333704448

約数和(自身を除く): 131932689

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 263, 307, 357, 789, 833, 921, 1841, 2149, 2499, 4471, 5219, 5523, 6447, 12887, 13413, 15043, 15657, 31297, 36533, 38661, 45129, 80741, 93891, 109599, 219079, 242223, 255731, 565187, 657237, 767193, 1372597, 1695561, 3956309, 4117791, 9608179, 11868927, 28824537, 67257253, 201771759]

約数ペア:

[(1, 201771759), (3, 67257253), (7, 28824537), (17, 11868927), (21, 9608179), (49, 4117791), (51, 3956309), (119, 1695561), (147, 1372597), (263, 767193), (307, 657237), (357, 565187), (789, 255731), (833, 242223), (921, 219079), (1841, 109599), (2149, 93891), (2499, 80741), (4471, 45129), (5219, 38661), (5523, 36533), (6447, 31297), (12887, 15657), (13413, 15043)]