16511949

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 24504480

約数和(自身を除く): 7992531

約数列:

[1, 3, 9, 67, 139, 197, 201, 417, 591, 603, 1251, 1773, 9313, 13199, 27383, 27939, 39597, 82149, 83817, 118791, 246447, 1834661, 5503983, 16511949]

約数ペア:

[(1, 16511949), (3, 5503983), (9, 1834661), (67, 246447), (139, 118791), (197, 83817), (201, 82149), (417, 39597), (591, 27939), (603, 27383), (1251, 13199), (1773, 9313)]