27986886

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 72

約数和(自身を含む): 65973960

約数和(自身を除く): 37987074

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 59, 73, 114, 118, 146, 171, 177, 219, 342, 354, 361, 438, 531, 657, 722, 1062, 1083, 1121, 1314, 1387, 2166, 2242, 2774, 3249, 3363, 4161, 4307, 6498, 6726, 8322, 8614, 10089, 12483, 12921, 20178, 21299, 24966, 25842, 26353, 38763, 42598, 52706, 63897, 77526, 79059, 81833, 127794, 158118, 163666, 191691, 237177, 245499, 383382, 474354, 490998, 736497, 1472994, 1554827, 3109654, 4664481, 9328962, 13993443, 27986886]

約数ペア:

[(1, 27986886), (2, 13993443), (3, 9328962), (6, 4664481), (9, 3109654), (18, 1554827), (19, 1472994), (38, 736497), (57, 490998), (59, 474354), (73, 383382), (114, 245499), (118, 237177), (146, 191691), (171, 163666), (177, 158118), (219, 127794), (342, 81833), (354, 79059), (361, 77526), (438, 63897), (531, 52706), (657, 42598), (722, 38763), (1062, 26353), (1083, 25842), (1121, 24966), (1314, 21299), (1387, 20178), (2166, 12921), (2242, 12483), (2774, 10089), (3249, 8614), (3363, 8322), (4161, 6726), (4307, 6498)]