17221221

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2207}}^1$

素因数の和:2250

約数の個数: 24

約数和(自身を含む): 27114240

約数和(自身を除く): 9893019

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2207, 2601, 6621, 7803, 19863, 37519, 59589, 112557, 337671, 637823, 1013013, 1913469, 5740407, 17221221]

約数ペア:

[(1, 17221221), (3, 5740407), (9, 1913469), (17, 1013013), (27, 637823), (51, 337671), (153, 112557), (289, 59589), (459, 37519), (867, 19863), (2207, 7803), (2601, 6621)]