25149987

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 39816000

約数和(自身を除く): 14666013

約数列:

[1, 3, 9, 17, 27, 51, 153, 157, 349, 459, 471, 1047, 1413, 2669, 3141, 4239, 5933, 8007, 9423, 17799, 24021, 53397, 54793, 72063, 160191, 164379, 493137, 931481, 1479411, 2794443, 8383329, 25149987]

約数ペア:

[(1, 25149987), (3, 8383329), (9, 2794443), (17, 1479411), (27, 931481), (51, 493137), (153, 164379), (157, 160191), (349, 72063), (459, 54793), (471, 53397), (1047, 24021), (1413, 17799), (2669, 9423), (3141, 8007), (4239, 5933)]