165728403

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 251942400

約数和(自身を除く): 86213997

約数列:

[1, 3, 9, 27, 53, 159, 179, 477, 537, 647, 1431, 1611, 1941, 4833, 5823, 9487, 17469, 28461, 34291, 85383, 102873, 115813, 256149, 308619, 347439, 925857, 1042317, 3126951, 6138089, 18414267, 55242801, 165728403]

約数ペア:

[(1, 165728403), (3, 55242801), (9, 18414267), (27, 6138089), (53, 3126951), (159, 1042317), (179, 925857), (477, 347439), (537, 308619), (647, 256149), (1431, 115813), (1611, 102873), (1941, 85383), (4833, 34291), (5823, 28461), (9487, 17469)]