25150221

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 37865880

約数和(自身を除く): 12715659

約数列:

[1, 3, 9, 29, 87, 173, 261, 519, 557, 1557, 1671, 5013, 5017, 15051, 16153, 45153, 48459, 96361, 145377, 289083, 867249, 2794469, 8383407, 25150221]

約数ペア:

[(1, 25150221), (3, 8383407), (9, 2794469), (29, 867249), (87, 289083), (173, 145377), (261, 96361), (519, 48459), (557, 45153), (1557, 16153), (1671, 15051), (5013, 5017)]