25869051

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 18160389

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 351, 431, 513, 741, 1053, 1293, 1539, 2223, 3159, 3879, 4617, 5603, 6669, 8189, 11637, 16809, 20007, 24567, 34911, 50427, 60021, 73701, 104733, 106457, 151281, 221103, 319371, 453843, 663309, 958113, 1361529, 1989927, 2874339, 8623017, 25869051]

約数ペア:

[(1, 25869051), (3, 8623017), (9, 2874339), (13, 1989927), (19, 1361529), (27, 958113), (39, 663309), (57, 453843), (81, 319371), (117, 221103), (171, 151281), (243, 106457), (247, 104733), (351, 73701), (431, 60021), (513, 50427), (741, 34911), (1053, 24567), (1293, 20007), (1539, 16809), (2223, 11637), (3159, 8189), (3879, 6669), (4617, 5603)]