20130201

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2731}}^1$

素因数の和:2763

約数の個数: 40

約数和(自身を含む): 37024064

約数和(自身を除く): 16893863

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2731, 7371, 8193, 19117, 24579, 35503, 57351, 73737, 106509, 172053, 221211, 248521, 319527, 516159, 745563, 958581, 1548477, 2236689, 2875743, 6710067, 20130201]

約数ペア:

[(1, 20130201), (3, 6710067), (7, 2875743), (9, 2236689), (13, 1548477), (21, 958581), (27, 745563), (39, 516159), (63, 319527), (81, 248521), (91, 221211), (117, 172053), (189, 106509), (273, 73737), (351, 57351), (567, 35503), (819, 24579), (1053, 19117), (2457, 8193), (2731, 7371)]