31621107

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 50342400

約数和(自身を除く): 18721293

約数列:

[1, 3, 7, 21, 29, 87, 137, 203, 379, 411, 609, 959, 1137, 2653, 2877, 3973, 7959, 10991, 11919, 27811, 32973, 51923, 76937, 83433, 155769, 230811, 363461, 1090383, 1505767, 4517301, 10540369, 31621107]

約数ペア:

[(1, 31621107), (3, 10540369), (7, 4517301), (21, 1505767), (29, 1090383), (87, 363461), (137, 230811), (203, 155769), (379, 83433), (411, 76937), (609, 51923), (959, 32973), (1137, 27811), (2653, 11919), (2877, 10991), (3973, 7959)]