15900157

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 20189400

約数和(自身を除く): 4289243

約数列:

[1, 7, 13, 49, 91, 109, 229, 637, 763, 1417, 1603, 2977, 5341, 9919, 11221, 20839, 24961, 69433, 145873, 174727, 324493, 1223089, 2271451, 15900157]

約数ペア:

[(1, 15900157), (7, 2271451), (13, 1223089), (49, 324493), (91, 174727), (109, 145873), (229, 69433), (637, 24961), (763, 20839), (1417, 11221), (1603, 9919), (2977, 5341)]