40989507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 60673536

約数和(自身を除く): 19684029

約数列:

[1, 3, 13, 39, 71, 113, 131, 213, 339, 393, 923, 1469, 1703, 2769, 4407, 5109, 8023, 9301, 14803, 24069, 27903, 44409, 104299, 120913, 192439, 312897, 362739, 577317, 1051013, 3153039, 13663169, 40989507]

約数ペア:

[(1, 40989507), (3, 13663169), (13, 3153039), (39, 1051013), (71, 577317), (113, 362739), (131, 312897), (213, 192439), (339, 120913), (393, 104299), (923, 44409), (1469, 27903), (1703, 24069), (2769, 14803), (4407, 9301), (5109, 8023)]