81045171

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{557}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 127759680

約数和(自身を除く): 46714509

約数列:

[1, 3, 9, 17, 27, 51, 153, 317, 459, 557, 951, 1671, 2853, 5013, 5389, 8559, 9469, 15039, 16167, 28407, 48501, 85221, 145503, 176569, 255663, 529707, 1589121, 3001673, 4767363, 9005019, 27015057, 81045171]

約数ペア:

[(1, 81045171), (3, 27015057), (9, 9005019), (17, 4767363), (27, 3001673), (51, 1589121), (153, 529707), (317, 255663), (459, 176569), (557, 145503), (951, 85221), (1671, 48501), (2853, 28407), (5013, 16167), (5389, 15039), (8559, 9469)]