206819613

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2087}}^1$

素因数の和:2135

約数の個数: 72

約数和(自身を含む): 404337024

約数和(自身を除く): 197517411

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 121, 143, 231, 273, 363, 429, 693, 819, 847, 1001, 1089, 1287, 1573, 2087, 2541, 3003, 4719, 6261, 7623, 9009, 11011, 14157, 14609, 18783, 22957, 27131, 33033, 43827, 68871, 81393, 99099, 131481, 160699, 189917, 206613, 244179, 252527, 298441, 482097, 569751, 757581, 895323, 1446291, 1709253, 1767689, 2089087, 2272743, 2685969, 3282851, 5303067, 6267261, 9848553, 15909201, 18801783, 22979957, 29545659, 68939871, 206819613]

約数ペア:

[(1, 206819613), (3, 68939871), (7, 29545659), (9, 22979957), (11, 18801783), (13, 15909201), (21, 9848553), (33, 6267261), (39, 5303067), (63, 3282851), (77, 2685969), (91, 2272743), (99, 2089087), (117, 1767689), (121, 1709253), (143, 1446291), (231, 895323), (273, 757581), (363, 569751), (429, 482097), (693, 298441), (819, 252527), (847, 244179), (1001, 206613), (1089, 189917), (1287, 160699), (1573, 131481), (2087, 99099), (2541, 81393), (3003, 68871), (4719, 43827), (6261, 33033), (7623, 27131), (9009, 22957), (11011, 18783), (14157, 14609)]