81119130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20641}}^1$

素因数の和:20782

約数の個数: 32

約数和(自身を含む): 196181568

約数和(自身を除く): 115062438

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 20641, 41282, 61923, 103205, 123846, 206410, 309615, 619230, 2703971, 5407942, 8111913, 13519855, 16223826, 27039710, 40559565, 81119130]

約数ペア:

[(1, 81119130), (2, 40559565), (3, 27039710), (5, 16223826), (6, 13519855), (10, 8111913), (15, 5407942), (30, 2703971), (131, 619230), (262, 309615), (393, 206410), (655, 123846), (786, 103205), (1310, 61923), (1965, 41282), (3930, 20641)]