243370855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2131}}^1$

素因数の和:2407

約数の個数: 32

約数和(自身を含む): 361041408

約数和(自身を除く): 117670553

約数列:

[1, 5, 7, 13, 35, 65, 91, 251, 455, 1255, 1757, 2131, 3263, 8785, 10655, 14917, 16315, 22841, 27703, 74585, 114205, 138515, 193921, 534881, 969605, 2674405, 3744167, 6953453, 18720835, 34767265, 48674171, 243370855]

約数ペア:

[(1, 243370855), (5, 48674171), (7, 34767265), (13, 18720835), (35, 6953453), (65, 3744167), (91, 2674405), (251, 969605), (455, 534881), (1255, 193921), (1757, 138515), (2131, 114205), (3263, 74585), (8785, 27703), (10655, 22841), (14917, 16315)]