81294015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3761}}^1$

素因数の和:3911

約数の個数: 32

約数和(自身を含む): 143016192

約数和(自身を除く): 61722177

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1441, 1965, 3761, 4323, 7205, 11283, 18805, 21615, 41371, 56415, 124113, 206855, 492691, 620565, 1478073, 2463455, 5419601, 7390365, 16258803, 27098005, 81294015]

約数ペア:

[(1, 81294015), (3, 27098005), (5, 16258803), (11, 7390365), (15, 5419601), (33, 2463455), (55, 1478073), (131, 620565), (165, 492691), (393, 206855), (655, 124113), (1441, 56415), (1965, 41371), (3761, 21615), (4323, 18805), (7205, 11283)]