131865003

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1985

約数の個数: 40

約数和(自身を含む): 211213728

約数和(自身を除く): 79348725

約数列:

[1, 3, 9, 23, 27, 37, 69, 81, 111, 207, 333, 621, 851, 999, 1863, 1913, 2553, 2997, 5739, 7659, 17217, 22977, 43999, 51651, 68931, 70781, 131997, 154953, 212343, 395991, 637029, 1187973, 1627963, 1911087, 3563919, 4883889, 5733261, 14651667, 43955001, 131865003]

約数ペア:

[(1, 131865003), (3, 43955001), (9, 14651667), (23, 5733261), (27, 4883889), (37, 3563919), (69, 1911087), (81, 1627963), (111, 1187973), (207, 637029), (333, 395991), (621, 212343), (851, 154953), (999, 131997), (1863, 70781), (1913, 68931), (2553, 51651), (2997, 43999), (5739, 22977), (7659, 17217)]