25101279

素因数分解:

$3^3\times 7^2\times {\mathrm{18973}}^1$

素因数の和:18996

約数の個数: 24

約数和(自身を含む): 43260720

約数和(自身を除く): 18159441

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 18973, 56919, 132811, 170757, 398433, 512271, 929677, 1195299, 2789031, 3585897, 8367093, 25101279]

約数ペア:

[(1, 25101279), (3, 8367093), (7, 3585897), (9, 2789031), (21, 1195299), (27, 929677), (49, 512271), (63, 398433), (147, 170757), (189, 132811), (441, 56919), (1323, 18973)]