171592911

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 60

約数和(自身を含む): 301499088

約数和(自身を除く): 129906177

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 137, 141, 189, 329, 411, 423, 567, 959, 987, 1233, 1269, 2209, 2877, 2961, 3699, 3807, 6439, 6627, 8631, 8883, 11097, 15463, 19317, 19881, 25893, 26649, 45073, 46389, 57951, 59643, 77679, 135219, 139167, 173853, 178929, 302633, 405657, 417501, 521559, 907899, 1216971, 1252503, 2118431, 2723697, 3650913, 6355293, 8171091, 19065879, 24513273, 57197637, 171592911]

約数ペア:

[(1, 171592911), (3, 57197637), (7, 24513273), (9, 19065879), (21, 8171091), (27, 6355293), (47, 3650913), (63, 2723697), (81, 2118431), (137, 1252503), (141, 1216971), (189, 907899), (329, 521559), (411, 417501), (423, 405657), (567, 302633), (959, 178929), (987, 173853), (1233, 139167), (1269, 135219), (2209, 77679), (2877, 59643), (2961, 57951), (3699, 46389), (3807, 45073), (6439, 26649), (6627, 25893), (8631, 19881), (8883, 19317), (11097, 15463)]