81345765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4493}}^1$

素因数の和:4589

約数の個数: 32

約数和(自身を含む): 139781376

約数和(自身を除く): 58435611

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 3621, 4493, 6035, 13479, 18105, 22465, 67395, 76381, 229143, 319003, 381905, 957009, 1145715, 1595015, 4785045, 5423051, 16269153, 27115255, 81345765]

約数ペア:

[(1, 81345765), (3, 27115255), (5, 16269153), (15, 5423051), (17, 4785045), (51, 1595015), (71, 1145715), (85, 957009), (213, 381905), (255, 319003), (355, 229143), (1065, 76381), (1207, 67395), (3621, 22465), (4493, 18105), (6035, 13479)]