289203831

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4651}}^1$

素因数の和:4721

約数の個数: 48

約数和(自身を含む): 509114880

約数和(自身を除く): 219911049

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 329, 423, 441, 987, 1269, 1323, 2303, 2961, 4651, 6909, 8883, 13953, 20727, 32557, 41859, 62181, 97671, 125577, 218597, 227899, 293013, 655791, 683697, 879039, 1530179, 1967373, 2051091, 4590537, 5902119, 6153273, 10711253, 13771611, 32133759, 41314833, 96401277, 289203831]

約数ペア:

[(1, 289203831), (3, 96401277), (7, 41314833), (9, 32133759), (21, 13771611), (27, 10711253), (47, 6153273), (49, 5902119), (63, 4590537), (141, 2051091), (147, 1967373), (189, 1530179), (329, 879039), (423, 683697), (441, 655791), (987, 293013), (1269, 227899), (1323, 218597), (2303, 125577), (2961, 97671), (4651, 62181), (6909, 41859), (8883, 32557), (13953, 20727)]