2217985

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{823}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 3381696

約数和(自身を除く): 1163711

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 823, 2695, 4115, 5761, 9053, 28805, 40327, 45265, 63371, 201635, 316855, 443597, 2217985]

約数ペア:

[(1, 2217985), (5, 443597), (7, 316855), (11, 201635), (35, 63371), (49, 45265), (55, 40327), (77, 28805), (245, 9053), (385, 5761), (539, 4115), (823, 2695)]