81775179

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2689}}^1$

素因数の和:2835

約数の個数: 24

約数和(自身を含む): 123094400

約数和(自身を除く): 41319221

約数列:

[1, 3, 9, 31, 93, 109, 279, 327, 981, 2689, 3379, 8067, 10137, 24201, 30411, 83359, 250077, 293101, 750231, 879303, 2637909, 9086131, 27258393, 81775179]

約数ペア:

[(1, 81775179), (3, 27258393), (9, 9086131), (31, 2637909), (93, 879303), (109, 750231), (279, 293101), (327, 250077), (981, 83359), (2689, 30411), (3379, 24201), (8067, 10137)]