31100979

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3079}}^1$

素因数の和:3139

約数の個数: 32

約数和(自身を含む): 52433920

約数和(自身を除く): 21332941

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3079, 3367, 9237, 10101, 21553, 40027, 64659, 113923, 120081, 280189, 341769, 797461, 840567, 1480999, 2392383, 4442997, 10366993, 31100979]

約数ペア:

[(1, 31100979), (3, 10366993), (7, 4442997), (13, 2392383), (21, 1480999), (37, 840567), (39, 797461), (91, 341769), (111, 280189), (259, 120081), (273, 113923), (481, 64659), (777, 40027), (1443, 21553), (3079, 10101), (3367, 9237)]