15554331

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6997}}^1$

素因数の和:7035

約数の個数: 24

約数和(自身を含む): 25472720

約数和(自身を除く): 9918389

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 6997, 20991, 62973, 90961, 132943, 272883, 398829, 818649, 1196487, 1728259, 5184777, 15554331]

約数ペア:

[(1, 15554331), (3, 5184777), (9, 1728259), (13, 1196487), (19, 818649), (39, 398829), (57, 272883), (117, 132943), (171, 90961), (247, 62973), (741, 20991), (2223, 6997)]