667071

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 1048320

約数和(自身を除く): 381249

約数列:

[1, 3, 9, 19, 47, 57, 83, 141, 171, 249, 423, 747, 893, 1577, 2679, 3901, 4731, 8037, 11703, 14193, 35109, 74119, 222357, 667071]

約数ペア:

[(1, 667071), (3, 222357), (9, 74119), (19, 35109), (47, 14193), (57, 11703), (83, 8037), (141, 4731), (171, 3901), (249, 2679), (423, 1577), (747, 893)]