31188717

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 54637440

約数和(自身を除く): 23448723

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 87, 129, 203, 261, 301, 387, 397, 609, 903, 1191, 1247, 1827, 2709, 2779, 3573, 3741, 8337, 8729, 11223, 11513, 17071, 25011, 26187, 34539, 51213, 78561, 80591, 103617, 119497, 153639, 241773, 358491, 495059, 725319, 1075473, 1485177, 3465413, 4455531, 10396239, 31188717]

約数ペア:

[(1, 31188717), (3, 10396239), (7, 4455531), (9, 3465413), (21, 1485177), (29, 1075473), (43, 725319), (63, 495059), (87, 358491), (129, 241773), (203, 153639), (261, 119497), (301, 103617), (387, 80591), (397, 78561), (609, 51213), (903, 34539), (1191, 26187), (1247, 25011), (1827, 17071), (2709, 11513), (2779, 11223), (3573, 8729), (3741, 8337)]