17987697

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7321}}^1$

素因数の和:7350

約数の個数: 32

約数和(自身を含む): 32802560

約数和(自身を除く): 14814863

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7321, 21963, 51247, 65889, 95173, 153741, 197667, 285519, 461223, 666211, 856557, 1383669, 1998633, 2569671, 5995899, 17987697]

約数ペア:

[(1, 17987697), (3, 5995899), (7, 2569671), (9, 1998633), (13, 1383669), (21, 856557), (27, 666211), (39, 461223), (63, 285519), (91, 197667), (117, 153741), (189, 95173), (273, 65889), (351, 51247), (819, 21963), (2457, 7321)]