220640517

素因数分解:

$3^4\times {\mathrm{1013}}^1\times {\mathrm{2689}}^1$

素因数の和:3714

約数の個数: 20

約数和(自身を含む): 330046860

約数和(自身を除く): 109406343

約数列:

[1, 3, 9, 27, 81, 1013, 2689, 3039, 8067, 9117, 24201, 27351, 72603, 82053, 217809, 2723957, 8171871, 24515613, 73546839, 220640517]

約数ペア:

[(1, 220640517), (3, 73546839), (9, 24515613), (27, 8171871), (81, 2723957), (1013, 217809), (2689, 82053), (3039, 72603), (8067, 27351), (9117, 24201)]