890557773

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{30977}}^1$

素因数の和:31061

約数の個数: 24

約数和(自身を含む): 1394753472

約数和(自身を除く): 504195699

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1369, 4107, 9583, 28749, 30977, 92931, 216839, 650517, 1146149, 3438447, 8023043, 24069129, 42407513, 127222539, 296852591, 890557773]

約数ペア:

[(1, 890557773), (3, 296852591), (7, 127222539), (21, 42407513), (37, 24069129), (111, 8023043), (259, 3438447), (777, 1146149), (1369, 650517), (4107, 216839), (9583, 92931), (28749, 30977)]