25997985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 25107615

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 2339, 3705, 7017, 11115, 11695, 21051, 30407, 35085, 44441, 91221, 105255, 133323, 152035, 222205, 273663, 399969, 456105, 577733, 666615, 1368315, 1733199, 1999845, 2888665, 5199597, 8665995, 25997985]

約数ペア:

[(1, 25997985), (3, 8665995), (5, 5199597), (9, 2888665), (13, 1999845), (15, 1733199), (19, 1368315), (39, 666615), (45, 577733), (57, 456105), (65, 399969), (95, 273663), (117, 222205), (171, 152035), (195, 133323), (247, 105255), (285, 91221), (585, 44441), (741, 35085), (855, 30407), (1235, 21051), (2223, 11695), (2339, 11115), (3705, 7017)]