221738121

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1433}}^1$

素因数の和:1974

約数の個数: 32

約数和(自身を含む): 359303040

約数和(自身を除く): 137564919

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 521, 1433, 1563, 4299, 4689, 5731, 12897, 14067, 15763, 17193, 38691, 47289, 51579, 141867, 154737, 425601, 746593, 2239779, 6719337, 8212523, 20158011, 24637569, 73912707, 221738121]

約数ペア:

[(1, 221738121), (3, 73912707), (9, 24637569), (11, 20158011), (27, 8212523), (33, 6719337), (99, 2239779), (297, 746593), (521, 425601), (1433, 154737), (1563, 141867), (4299, 51579), (4689, 47289), (5731, 38691), (12897, 17193), (14067, 15763)]