4781985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 8346240

約数和(自身を除く): 3564255

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 179, 195, 411, 537, 685, 895, 1781, 2055, 2327, 2685, 5343, 6981, 8905, 11635, 24523, 26715, 34905, 73569, 122615, 318799, 367845, 956397, 1593995, 4781985]

約数ペア:

[(1, 4781985), (3, 1593995), (5, 956397), (13, 367845), (15, 318799), (39, 122615), (65, 73569), (137, 34905), (179, 26715), (195, 24523), (411, 11635), (537, 8905), (685, 6981), (895, 5343), (1781, 2685), (2055, 2327)]