8421273

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2654

約数の個数: 32

約数和(自身を含む): 15102720

約数和(自身を除く): 6681447

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 2621, 3213, 7863, 18347, 23589, 44557, 55041, 70767, 133671, 165123, 311899, 401013, 495369, 935697, 1203039, 2807091, 8421273]

約数ペア:

[(1, 8421273), (3, 2807091), (7, 1203039), (9, 935697), (17, 495369), (21, 401013), (27, 311899), (51, 165123), (63, 133671), (119, 70767), (153, 55041), (189, 44557), (357, 23589), (459, 18347), (1071, 7863), (2621, 3213)]