16365213

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 27066240

約数和(自身を除く): 10701027

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 73, 171, 207, 219, 361, 437, 513, 621, 657, 1083, 1311, 1387, 1679, 1971, 3249, 3933, 4161, 5037, 8303, 9747, 11799, 12483, 15111, 24909, 26353, 31901, 37449, 45333, 74727, 79059, 95703, 224181, 237177, 287109, 606119, 711531, 861327, 1818357, 5455071, 16365213]

約数ペア:

[(1, 16365213), (3, 5455071), (9, 1818357), (19, 861327), (23, 711531), (27, 606119), (57, 287109), (69, 237177), (73, 224181), (171, 95703), (207, 79059), (219, 74727), (361, 45333), (437, 37449), (513, 31901), (621, 26353), (657, 24909), (1083, 15111), (1311, 12483), (1387, 11799), (1679, 9747), (1971, 8303), (3249, 5037), (3933, 4161)]