2131415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 3038784

約数和(自身を除く): 907369

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 271, 605, 715, 1355, 1573, 2981, 3523, 7865, 14905, 17615, 32791, 38753, 163955, 193765, 426283, 2131415]

約数ペア:

[(1, 2131415), (5, 426283), (11, 193765), (13, 163955), (55, 38753), (65, 32791), (121, 17615), (143, 14905), (271, 7865), (605, 3523), (715, 2981), (1355, 1573)]