2170905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1699815

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 223, 295, 649, 669, 885, 1115, 1947, 2453, 3245, 3345, 7359, 9735, 12265, 13157, 36795, 39471, 65785, 144727, 197355, 434181, 723635, 2170905]

約数ペア:

[(1, 2170905), (3, 723635), (5, 434181), (11, 197355), (15, 144727), (33, 65785), (55, 39471), (59, 36795), (165, 13157), (177, 12265), (223, 9735), (295, 7359), (649, 3345), (669, 3245), (885, 2453), (1115, 1947)]