78087681

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{72911}}^1$

素因数の和:72941

約数の個数: 24

約数和(自身を含む): 136491264

約数和(自身を除く): 58403583

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 72911, 218733, 510377, 656199, 1239487, 1531131, 3718461, 4593393, 8676409, 11155383, 26029227, 78087681]

約数ペア:

[(1, 78087681), (3, 26029227), (7, 11155383), (9, 8676409), (17, 4593393), (21, 3718461), (51, 1531131), (63, 1239487), (119, 656199), (153, 510377), (357, 218733), (1071, 72911)]