177680979

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13241}}^1$

素因数の和:13328

約数の個数: 32

約数和(自身を含む): 305095680

約数和(自身を除く): 127414701

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13241, 13419, 39723, 92687, 119169, 278061, 357507, 834183, 940111, 2502549, 2820333, 6580777, 8460999, 19742331, 25382997, 59226993, 177680979]

約数ペア:

[(1, 177680979), (3, 59226993), (7, 25382997), (9, 19742331), (21, 8460999), (27, 6580777), (63, 2820333), (71, 2502549), (189, 940111), (213, 834183), (497, 357507), (639, 278061), (1491, 119169), (1917, 92687), (4473, 39723), (13241, 13419)]