13860975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 24641280

約数和(自身を除く): 10780305

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 137, 213, 285, 355, 411, 475, 685, 1065, 1349, 1425, 1775, 2055, 2603, 3425, 4047, 5325, 6745, 7809, 9727, 10275, 13015, 20235, 29181, 33725, 39045, 48635, 65075, 101175, 145905, 184813, 195225, 243175, 554439, 729525, 924065, 2772195, 4620325, 13860975]

約数ペア:

[(1, 13860975), (3, 4620325), (5, 2772195), (15, 924065), (19, 729525), (25, 554439), (57, 243175), (71, 195225), (75, 184813), (95, 145905), (137, 101175), (213, 65075), (285, 48635), (355, 39045), (411, 33725), (475, 29181), (685, 20235), (1065, 13015), (1349, 10275), (1425, 9727), (1775, 7809), (2055, 6745), (2603, 5325), (3425, 4047)]