17817867

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 27456000

約数和(自身を除く): 9638133

約数列:

[1, 3, 9, 27, 43, 103, 129, 149, 309, 387, 447, 927, 1161, 1341, 2781, 4023, 4429, 6407, 13287, 15347, 19221, 39861, 46041, 57663, 119583, 138123, 172989, 414369, 659921, 1979763, 5939289, 17817867]

約数ペア:

[(1, 17817867), (3, 5939289), (9, 1979763), (27, 659921), (43, 414369), (103, 172989), (129, 138123), (149, 119583), (309, 57663), (387, 46041), (447, 39861), (927, 19221), (1161, 15347), (1341, 13287), (2781, 6407), (4023, 4429)]