78839991

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 116756640

約数和(自身を除く): 37916649

約数列:

[1, 3, 9, 53, 159, 197, 477, 591, 839, 1773, 2517, 7551, 10441, 31323, 44467, 93969, 133401, 165283, 400203, 495849, 1487547, 8759999, 26279997, 78839991]

約数ペア:

[(1, 78839991), (3, 26279997), (9, 8759999), (53, 1487547), (159, 495849), (197, 400203), (477, 165283), (591, 133401), (839, 93969), (1773, 44467), (2517, 31323), (7551, 10441)]