27991743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15271}}^1$

素因数の和:15334

約数の個数: 16

約数和(自身を含む): 41051136

約数和(自身を除く): 13059393

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 15271, 45813, 198523, 595569, 717737, 2153211, 9330581, 27991743]

約数ペア:

[(1, 27991743), (3, 9330581), (13, 2153211), (39, 717737), (47, 595569), (141, 198523), (611, 45813), (1833, 15271)]