63980721

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2459}}^1$

素因数の和:2538

約数の個数: 36

約数和(自身を含む): 109371600

約数和(自身を除く): 45390879

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 1239, 2459, 2891, 3717, 7377, 8673, 17213, 22131, 26019, 51639, 120491, 145081, 154917, 361473, 435243, 1015567, 1084419, 1305729, 3046701, 7108969, 9140103, 21326907, 63980721]

約数ペア:

[(1, 63980721), (3, 21326907), (7, 9140103), (9, 7108969), (21, 3046701), (49, 1305729), (59, 1084419), (63, 1015567), (147, 435243), (177, 361473), (413, 154917), (441, 145081), (531, 120491), (1239, 51639), (2459, 26019), (2891, 22131), (3717, 17213), (7377, 8673)]