31362177

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 52568064

約数和(自身を除く): 21205887

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 991, 1507, 2877, 2973, 4521, 6937, 10549, 10901, 20811, 31647, 32703, 76307, 135767, 228921, 407301, 950369, 1493437, 2851107, 4480311, 10454059, 31362177]

約数ペア:

[(1, 31362177), (3, 10454059), (7, 4480311), (11, 2851107), (21, 1493437), (33, 950369), (77, 407301), (137, 228921), (231, 135767), (411, 76307), (959, 32703), (991, 31647), (1507, 20811), (2877, 10901), (2973, 10549), (4521, 6937)]