13861431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 21307520

約数和(自身を除く): 7446089

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 787, 927, 1957, 2361, 5871, 7083, 14953, 17613, 44859, 81061, 134577, 243183, 729549, 1540159, 4620477, 13861431]

約数ペア:

[(1, 13861431), (3, 4620477), (9, 1540159), (19, 729549), (57, 243183), (103, 134577), (171, 81061), (309, 44859), (787, 17613), (927, 14953), (1957, 7083), (2361, 5871)]