131409705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3121}}^1$

素因数の和:3537

約数の個数: 32

約数和(自身を含む): 240968448

約数和(自身を除く): 109558743

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 401, 1203, 2005, 2807, 3121, 6015, 8421, 9363, 14035, 15605, 21847, 42105, 46815, 65541, 109235, 327705, 1251521, 3754563, 6257605, 8760647, 18772815, 26281941, 43803235, 131409705]

約数ペア:

[(1, 131409705), (3, 43803235), (5, 26281941), (7, 18772815), (15, 8760647), (21, 6257605), (35, 3754563), (105, 1251521), (401, 327705), (1203, 109235), (2005, 65541), (2807, 46815), (3121, 42105), (6015, 21847), (8421, 15605), (9363, 14035)]