77768991

素因数分解:

$3^6\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 28

約数和(自身を含む): 117807912

約数和(自身を除く): 40038921

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 729, 963, 997, 2889, 2991, 8667, 8973, 26001, 26919, 78003, 80757, 106679, 242271, 320037, 726813, 960111, 2880333, 8640999, 25922997, 77768991]

約数ペア:

[(1, 77768991), (3, 25922997), (9, 8640999), (27, 2880333), (81, 960111), (107, 726813), (243, 320037), (321, 242271), (729, 106679), (963, 80757), (997, 78003), (2889, 26919), (2991, 26001), (8667, 8973)]