27890031

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 13623441

約数列:

[1, 3, 13, 39, 53, 103, 131, 159, 309, 393, 689, 1339, 1703, 2067, 4017, 5109, 5459, 6943, 13493, 16377, 20829, 40479, 70967, 90259, 175409, 212901, 270777, 526227, 715129, 2145387, 9296677, 27890031]

約数ペア:

[(1, 27890031), (3, 9296677), (13, 2145387), (39, 715129), (53, 526227), (103, 270777), (131, 212901), (159, 175409), (309, 90259), (393, 70967), (689, 40479), (1339, 20829), (1703, 16377), (2067, 13493), (4017, 6943), (5109, 5459)]