204664635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20959}}^1$

素因数の和:21008

約数の個数: 48

約数和(自身を含む): 418529280

約数和(自身を除く): 213864645

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 9765, 20959, 62877, 104795, 146713, 188631, 314385, 440139, 649729, 733565, 943155, 1320417, 1949187, 2200695, 3248645, 4548103, 5847561, 6602085, 9745935, 13644309, 22740515, 29237805, 40932927, 68221545, 204664635]

約数ペア:

[(1, 204664635), (3, 68221545), (5, 40932927), (7, 29237805), (9, 22740515), (15, 13644309), (21, 9745935), (31, 6602085), (35, 5847561), (45, 4548103), (63, 3248645), (93, 2200695), (105, 1949187), (155, 1320417), (217, 943155), (279, 733565), (315, 649729), (465, 440139), (651, 314385), (1085, 188631), (1395, 146713), (1953, 104795), (3255, 62877), (9765, 20959)]