31155309

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1511}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 47174400

約数和(自身を除く): 16019091

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 1511, 2291, 4533, 6873, 13599, 20619, 43819, 119369, 131457, 358107, 394371, 1074321, 3461701, 10385103, 31155309]

約数ペア:

[(1, 31155309), (3, 10385103), (9, 3461701), (29, 1074321), (79, 394371), (87, 358107), (237, 131457), (261, 119369), (711, 43819), (1511, 20619), (2291, 13599), (4533, 6873)]