13900803

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 22167552

約数和(自身を除く): 8266749

約数列:

[1, 3, 7, 21, 31, 93, 131, 163, 217, 393, 489, 651, 917, 1141, 2751, 3423, 4061, 5053, 12183, 15159, 21353, 28427, 35371, 64059, 85281, 106113, 149471, 448413, 661943, 1985829, 4633601, 13900803]

約数ペア:

[(1, 13900803), (3, 4633601), (7, 1985829), (21, 661943), (31, 448413), (93, 149471), (131, 106113), (163, 85281), (217, 64059), (393, 35371), (489, 28427), (651, 21353), (917, 15159), (1141, 12183), (2751, 5053), (3423, 4061)]