25051221

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 15268779

約数列:

[1, 3, 9, 13, 27, 39, 117, 149, 351, 447, 479, 1341, 1437, 1937, 4023, 4311, 5811, 6227, 12933, 17433, 18681, 52299, 56043, 71371, 168129, 214113, 642339, 927823, 1927017, 2783469, 8350407, 25051221]

約数ペア:

[(1, 25051221), (3, 8350407), (9, 2783469), (13, 1927017), (27, 927823), (39, 642339), (117, 214113), (149, 168129), (351, 71371), (447, 56043), (479, 52299), (1341, 18681), (1437, 17433), (1937, 12933), (4023, 6227), (4311, 5811)]