129280905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 242651136

約数和(自身を除く): 113370231

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 223, 585, 669, 991, 1115, 2007, 2899, 2973, 3345, 4955, 8697, 8919, 10035, 12883, 14495, 14865, 26091, 38649, 43485, 44595, 64415, 115947, 130455, 193245, 220993, 579735, 662979, 1104965, 1988937, 2872909, 3314895, 8618727, 9944685, 14364545, 25856181, 43093635, 129280905]

約数ペア:

[(1, 129280905), (3, 43093635), (5, 25856181), (9, 14364545), (13, 9944685), (15, 8618727), (39, 3314895), (45, 2872909), (65, 1988937), (117, 1104965), (195, 662979), (223, 579735), (585, 220993), (669, 193245), (991, 130455), (1115, 115947), (2007, 64415), (2899, 44595), (2973, 43485), (3345, 38649), (4955, 26091), (8697, 14865), (8919, 14495), (10035, 12883)]