201321801

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 305782400

約数和(自身を除く): 104460599

約数列:

[1, 3, 9, 27, 67, 109, 201, 327, 603, 981, 1021, 1809, 2943, 3063, 7303, 9189, 21909, 27567, 65727, 68407, 111289, 197181, 205221, 333867, 615663, 1001601, 1846989, 3004803, 7456363, 22369089, 67107267, 201321801]

約数ペア:

[(1, 201321801), (3, 67107267), (9, 22369089), (27, 7456363), (67, 3004803), (109, 1846989), (201, 1001601), (327, 615663), (603, 333867), (981, 205221), (1021, 197181), (1809, 111289), (2943, 68407), (3063, 65727), (7303, 27567), (9189, 21909)]