205226721

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{55213}}^1$

素因数の和:55285

約数の個数: 24

約数和(自身を含む): 344535360

約数和(自身を除く): 139308639

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 55213, 165639, 386491, 496917, 1159473, 3257567, 3478419, 9772701, 22802969, 29318103, 68408907, 205226721]

約数ペア:

[(1, 205226721), (3, 68408907), (7, 29318103), (9, 22802969), (21, 9772701), (59, 3478419), (63, 3257567), (177, 1159473), (413, 496917), (531, 386491), (1239, 165639), (3717, 55213)]