51153765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 93918528

約数和(自身を除く): 42764763

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 507, 663, 845, 1105, 1187, 2535, 2873, 3315, 3561, 5935, 8619, 14365, 15431, 17805, 20179, 43095, 46293, 60537, 77155, 100895, 200603, 231465, 262327, 302685, 601809, 786981, 1003015, 1311635, 3009045, 3410251, 3934905, 10230753, 17051255, 51153765]

約数ペア:

[(1, 51153765), (3, 17051255), (5, 10230753), (13, 3934905), (15, 3410251), (17, 3009045), (39, 1311635), (51, 1003015), (65, 786981), (85, 601809), (169, 302685), (195, 262327), (221, 231465), (255, 200603), (507, 100895), (663, 77155), (845, 60537), (1105, 46293), (1187, 43095), (2535, 20179), (2873, 17805), (3315, 15431), (3561, 14365), (5935, 8619)]