121320003

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{156139}}^1$

素因数の和:156186

約数の個数: 16

約数和(自身を含む): 189866240

約数和(自身を除く): 68546237

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 156139, 468417, 1092973, 3278919, 5777143, 17331429, 40440001, 121320003]

約数ペア:

[(1, 121320003), (3, 40440001), (7, 17331429), (21, 5777143), (37, 3278919), (111, 1092973), (259, 468417), (777, 156139)]