12687219

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 20148480

約数和(自身を除く): 7461261

約数列:

[1, 3, 9, 17, 27, 51, 131, 153, 211, 393, 459, 633, 1179, 1899, 2227, 3537, 3587, 5697, 6681, 10761, 20043, 27641, 32283, 60129, 82923, 96849, 248769, 469897, 746307, 1409691, 4229073, 12687219]

約数ペア:

[(1, 12687219), (3, 4229073), (9, 1409691), (17, 746307), (27, 469897), (51, 248769), (131, 96849), (153, 82923), (211, 60129), (393, 32283), (459, 27641), (633, 20043), (1179, 10761), (1899, 6681), (2227, 5697), (3537, 3587)]