25225749

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 40830240

約数和(自身を除く): 15604491

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 333, 443, 513, 703, 999, 1329, 1539, 2109, 2997, 3987, 6327, 8417, 11961, 16391, 18981, 25251, 35883, 49173, 56943, 75753, 147519, 227259, 311429, 442557, 681777, 934287, 1327671, 2802861, 8408583, 25225749]

約数ペア:

[(1, 25225749), (3, 8408583), (9, 2802861), (19, 1327671), (27, 934287), (37, 681777), (57, 442557), (81, 311429), (111, 227259), (171, 147519), (333, 75753), (443, 56943), (513, 49173), (703, 35883), (999, 25251), (1329, 18981), (1539, 16391), (2109, 11961), (2997, 8417), (3987, 6327)]