78990183

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 117271440

約数和(自身を除く): 38281257

約数列:

[1, 3, 9, 43, 129, 387, 401, 509, 1203, 1527, 3609, 4581, 17243, 21887, 51729, 65661, 155187, 196983, 204109, 612327, 1836981, 8776687, 26330061, 78990183]

約数ペア:

[(1, 78990183), (3, 26330061), (9, 8776687), (43, 1836981), (129, 612327), (387, 204109), (401, 196983), (509, 155187), (1203, 65661), (1527, 51729), (3609, 21887), (4581, 17243)]