56507505

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 92188800

約数和(自身を除く): 35681295

約数列:

[1, 3, 5, 15, 131, 149, 193, 393, 447, 579, 655, 745, 965, 1965, 2235, 2895, 19519, 25283, 28757, 58557, 75849, 86271, 97595, 126415, 143785, 292785, 379245, 431355, 3767167, 11301501, 18835835, 56507505]

約数ペア:

[(1, 56507505), (3, 18835835), (5, 11301501), (15, 3767167), (131, 431355), (149, 379245), (193, 292785), (393, 143785), (447, 126415), (579, 97595), (655, 86271), (745, 75849), (965, 58557), (1965, 28757), (2235, 25283), (2895, 19519)]