2109765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 3926016

約数和(自身を除く): 1816251

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 283, 355, 497, 849, 1065, 1415, 1491, 1981, 2485, 4245, 5943, 7455, 9905, 20093, 29715, 60279, 100465, 140651, 301395, 421953, 703255, 2109765]

約数ペア:

[(1, 2109765), (3, 703255), (5, 421953), (7, 301395), (15, 140651), (21, 100465), (35, 60279), (71, 29715), (105, 20093), (213, 9905), (283, 7455), (355, 5943), (497, 4245), (849, 2485), (1065, 1981), (1415, 1491)]