82778385

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 136442880

約数和(自身を除く): 53664495

約数列:

[1, 3, 5, 15, 41, 123, 205, 281, 479, 615, 843, 1405, 1437, 2395, 4215, 7185, 11521, 19639, 34563, 57605, 58917, 98195, 134599, 172815, 294585, 403797, 672995, 2018985, 5518559, 16555677, 27592795, 82778385]

約数ペア:

[(1, 82778385), (3, 27592795), (5, 16555677), (15, 5518559), (41, 2018985), (123, 672995), (205, 403797), (281, 294585), (479, 172815), (615, 134599), (843, 98195), (1405, 58917), (1437, 57605), (2395, 34563), (4215, 19639), (7185, 11521)]