30978255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26821}}^1$

素因数の和:26847

約数の個数: 32

約数和(自身を含む): 61797888

約数和(自身を除く): 30819633

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 26821, 80463, 134105, 187747, 295031, 402315, 563241, 885093, 938735, 1475155, 2065217, 2816205, 4425465, 6195651, 10326085, 30978255]

約数ペア:

[(1, 30978255), (3, 10326085), (5, 6195651), (7, 4425465), (11, 2816205), (15, 2065217), (21, 1475155), (33, 938735), (35, 885093), (55, 563241), (77, 402315), (105, 295031), (165, 187747), (231, 134105), (385, 80463), (1155, 26821)]