201268719

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:509

約数の個数: 40

約数和(自身を含む): 309241152

約数和(自身を除く): 107972433

約数列:

[1, 3, 9, 27, 53, 81, 159, 173, 271, 477, 519, 813, 1431, 1557, 2439, 4293, 4671, 7317, 9169, 14013, 14363, 21951, 27507, 43089, 46883, 82521, 129267, 140649, 247563, 387801, 421947, 742689, 1163403, 1265841, 2484799, 3797523, 7454397, 22363191, 67089573, 201268719]

約数ペア:

[(1, 201268719), (3, 67089573), (9, 22363191), (27, 7454397), (53, 3797523), (81, 2484799), (159, 1265841), (173, 1163403), (271, 742689), (477, 421947), (519, 387801), (813, 247563), (1431, 140649), (1557, 129267), (2439, 82521), (4293, 46883), (4671, 43089), (7317, 27507), (9169, 21951), (14013, 14363)]