15645321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 24078600

約数和(自身を除く): 8433279

約数列:

[1, 3, 9, 17, 51, 153, 293, 349, 879, 1047, 2637, 3141, 4981, 5933, 14943, 17799, 44829, 53397, 102257, 306771, 920313, 1738369, 5215107, 15645321]

約数ペア:

[(1, 15645321), (3, 5215107), (9, 1738369), (17, 920313), (51, 306771), (153, 102257), (293, 53397), (349, 44829), (879, 17799), (1047, 14943), (2637, 5933), (3141, 4981)]