17983377

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 28226880

約数和(自身を除く): 10243503

約数列:

[1, 3, 9, 27, 53, 59, 71, 81, 159, 177, 213, 477, 531, 639, 1431, 1593, 1917, 3127, 3763, 4189, 4293, 4779, 5751, 9381, 11289, 12567, 28143, 33867, 37701, 84429, 101601, 113103, 222017, 253287, 304803, 339309, 666051, 1998153, 5994459, 17983377]

約数ペア:

[(1, 17983377), (3, 5994459), (9, 1998153), (27, 666051), (53, 339309), (59, 304803), (71, 253287), (81, 222017), (159, 113103), (177, 101601), (213, 84429), (477, 37701), (531, 33867), (639, 28143), (1431, 12567), (1593, 11289), (1917, 9381), (3127, 5751), (3763, 4779), (4189, 4293)]