13997919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 21821184

約数和(自身を除く): 7823265

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 491, 559, 663, 731, 1473, 1677, 2193, 6383, 8347, 9503, 19149, 21113, 25041, 28509, 63339, 108511, 274469, 325533, 358921, 823407, 1076763, 4665973, 13997919]

約数ペア:

[(1, 13997919), (3, 4665973), (13, 1076763), (17, 823407), (39, 358921), (43, 325533), (51, 274469), (129, 108511), (221, 63339), (491, 28509), (559, 25041), (663, 21113), (731, 19149), (1473, 9503), (1677, 8347), (2193, 6383)]