87638655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{26437}}^1$

素因数の和:26475

約数の個数: 32

約数和(自身を含む): 159897024

約数和(自身を除く): 72258369

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 26437, 79311, 132185, 343681, 396555, 449429, 1031043, 1348287, 1718405, 2247145, 5155215, 5842577, 6741435, 17527731, 29212885, 87638655]

約数ペア:

[(1, 87638655), (3, 29212885), (5, 17527731), (13, 6741435), (15, 5842577), (17, 5155215), (39, 2247145), (51, 1718405), (65, 1348287), (85, 1031043), (195, 449429), (221, 396555), (255, 343681), (663, 132185), (1105, 79311), (3315, 26437)]