87947769

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{24781}}^1$

素因数の和:24817

約数の個数: 24

約数和(自身を含む): 145123392

約数和(自身を除く): 57175623

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 24781, 74343, 173467, 322153, 520401, 966459, 2255071, 4187989, 6765213, 12563967, 29315923, 87947769]

約数ペア:

[(1, 87947769), (3, 29315923), (7, 12563967), (13, 6765213), (21, 4187989), (39, 2255071), (91, 966459), (169, 520401), (273, 322153), (507, 173467), (1183, 74343), (3549, 24781)]