55015281

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{39953}}^1$

素因数の和:39982

約数の個数: 20

約数和(自身を含む): 87019812

約数和(自身を除く): 32004531

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 39953, 119859, 359577, 679201, 1078731, 2037603, 3236193, 6112809, 18338427, 55015281]

約数ペア:

[(1, 55015281), (3, 18338427), (9, 6112809), (17, 3236193), (27, 2037603), (51, 1078731), (81, 679201), (153, 359577), (459, 119859), (1377, 39953)]