211039815

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{9901}}^1$

素因数の和:9952

約数の個数: 48

約数和(自身を含む): 406378080

約数和(自身を除く): 195338265

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 735, 1015, 1421, 3045, 4263, 7105, 9901, 21315, 29703, 49505, 69307, 148515, 207921, 287129, 346535, 485149, 861387, 1039605, 1435645, 1455447, 2009903, 2425745, 4306935, 6029709, 7277235, 10049515, 14069321, 30148545, 42207963, 70346605, 211039815]

約数ペア:

[(1, 211039815), (3, 70346605), (5, 42207963), (7, 30148545), (15, 14069321), (21, 10049515), (29, 7277235), (35, 6029709), (49, 4306935), (87, 2425745), (105, 2009903), (145, 1455447), (147, 1435645), (203, 1039605), (245, 861387), (435, 485149), (609, 346535), (735, 287129), (1015, 207921), (1421, 148515), (3045, 69307), (4263, 49505), (7105, 29703), (9901, 21315)]