8749539

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1112

約数の個数: 20

約数和(自身を含む): 13203520

約数和(自身を除く): 4453981

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 991, 2943, 2973, 8829, 8919, 26757, 80271, 108019, 324057, 972171, 2916513, 8749539]

約数ペア:

[(1, 8749539), (3, 2916513), (9, 972171), (27, 324057), (81, 108019), (109, 80271), (327, 26757), (981, 8919), (991, 8829), (2943, 2973)]