142861901

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 188227200

約数和(自身を除く): 45365299

約数列:

[1, 7, 13, 23, 49, 91, 161, 199, 299, 343, 637, 1127, 1393, 2093, 2401, 2587, 4459, 4577, 7889, 9751, 14651, 18109, 31213, 32039, 55223, 59501, 68257, 102557, 126763, 224273, 416507, 477799, 717899, 887341, 1569911, 2915549, 6211387, 10989377, 20408843, 142861901]

約数ペア:

[(1, 142861901), (7, 20408843), (13, 10989377), (23, 6211387), (49, 2915549), (91, 1569911), (161, 887341), (199, 717899), (299, 477799), (343, 416507), (637, 224273), (1127, 126763), (1393, 102557), (2093, 68257), (2401, 59501), (2587, 55223), (4459, 32039), (4577, 31213), (7889, 18109), (9751, 14651)]