7136991

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 40

約数和(自身を含む): 11604384

約数和(自身を除く): 4467393

約数列:

[1, 3, 9, 17, 27, 51, 71, 73, 81, 153, 213, 219, 459, 639, 657, 1207, 1241, 1377, 1917, 1971, 3621, 3723, 5183, 5751, 5913, 10863, 11169, 15549, 32589, 33507, 46647, 88111, 97767, 100521, 139941, 264333, 419823, 792999, 2378997, 7136991]

約数ペア:

[(1, 7136991), (3, 2378997), (9, 792999), (17, 419823), (27, 264333), (51, 139941), (71, 100521), (73, 97767), (81, 88111), (153, 46647), (213, 33507), (219, 32589), (459, 15549), (639, 11169), (657, 10863), (1207, 5913), (1241, 5751), (1377, 5183), (1917, 3723), (1971, 3621)]