209182539

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 304197120

約数和(自身を除く): 95014581

約数列:

[1, 3, 23, 29, 69, 87, 107, 321, 667, 977, 2001, 2461, 2931, 3103, 7383, 9309, 22471, 28333, 67413, 71369, 84999, 104539, 214107, 313617, 651659, 1954977, 2404397, 3031631, 7213191, 9094893, 69727513, 209182539]

約数ペア:

[(1, 209182539), (3, 69727513), (23, 9094893), (29, 7213191), (69, 3031631), (87, 2404397), (107, 1954977), (321, 651659), (667, 313617), (977, 214107), (2001, 104539), (2461, 84999), (2931, 71369), (3103, 67413), (7383, 28333), (9309, 22471)]