209872103

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{15289}}^1$

素因数の和:15386

約数の個数: 16

約数和(自身を含む): 251000640

約数和(自身を除く): 41128537

約数列:

[1, 7, 37, 53, 259, 371, 1961, 13727, 15289, 107023, 565693, 810317, 3959851, 5672219, 29981729, 209872103]

約数ペア:

[(1, 209872103), (7, 29981729), (37, 5672219), (53, 3959851), (259, 810317), (371, 565693), (1961, 107023), (13727, 15289)]