81720726

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4339}}^1$

素因数の和:4460

約数の個数: 32

約数和(自身を含む): 169572480

約数和(自身を除く): 87851754

約数列:

[1, 2, 3, 6, 43, 73, 86, 129, 146, 219, 258, 438, 3139, 4339, 6278, 8678, 9417, 13017, 18834, 26034, 186577, 316747, 373154, 559731, 633494, 950241, 1119462, 1900482, 13620121, 27240242, 40860363, 81720726]

約数ペア:

[(1, 81720726), (2, 40860363), (3, 27240242), (6, 13620121), (43, 1900482), (73, 1119462), (86, 950241), (129, 633494), (146, 559731), (219, 373154), (258, 316747), (438, 186577), (3139, 26034), (4339, 18834), (6278, 13017), (8678, 9417)]