321572017

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 400023360

約数和(自身を除く): 78451343

約数列:

[1, 13, 17, 19, 43, 137, 169, 221, 247, 323, 559, 731, 817, 1781, 2329, 2603, 2873, 3211, 4199, 5891, 7267, 9503, 10621, 13889, 23153, 30277, 33839, 44251, 54587, 76583, 100147, 111929, 123539, 138073, 180557, 393601, 439907, 575263, 995579, 1301911, 1455077, 1902793, 2347241, 7478419, 16924843, 18916001, 24736309, 321572017]

約数ペア:

[(1, 321572017), (13, 24736309), (17, 18916001), (19, 16924843), (43, 7478419), (137, 2347241), (169, 1902793), (221, 1455077), (247, 1301911), (323, 995579), (559, 575263), (731, 439907), (817, 393601), (1781, 180557), (2329, 138073), (2603, 123539), (2873, 111929), (3211, 100147), (4199, 76583), (5891, 54587), (7267, 44251), (9503, 33839), (10621, 30277), (13889, 23153)]