71001651

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{177949}}^1$

素因数の和:177978

約数の個数: 16

約数和(自身を含む): 113888000

約数和(自身を除く): 42886349

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 177949, 533847, 1245643, 3381031, 3736929, 10143093, 23667217, 71001651]

約数ペア:

[(1, 71001651), (3, 23667217), (7, 10143093), (19, 3736929), (21, 3381031), (57, 1245643), (133, 533847), (399, 177949)]