206831709

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 358176000

約数和(自身を除く): 151344291

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 349, 409, 483, 1047, 1227, 1449, 2443, 2863, 3141, 3681, 7329, 8027, 8589, 9407, 21987, 24081, 25767, 28221, 56189, 65849, 72243, 84663, 142741, 168567, 197547, 428223, 505701, 592641, 999187, 1284669, 2997561, 3283043, 8992683, 9849129, 22981301, 29547387, 68943903, 206831709]

約数ペア:

[(1, 206831709), (3, 68943903), (7, 29547387), (9, 22981301), (21, 9849129), (23, 8992683), (63, 3283043), (69, 2997561), (161, 1284669), (207, 999187), (349, 592641), (409, 505701), (483, 428223), (1047, 197547), (1227, 168567), (1449, 142741), (2443, 84663), (2863, 72243), (3141, 65849), (3681, 56189), (7329, 28221), (8027, 25767), (8589, 24081), (9407, 21987)]