31367091

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2143}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 51867648

約数和(自身を除く): 20500557

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 2143, 4879, 6429, 14637, 15001, 36431, 45003, 87863, 109293, 255017, 263589, 615041, 765051, 1493671, 1845123, 4481013, 10455697, 31367091]

約数ペア:

[(1, 31367091), (3, 10455697), (7, 4481013), (17, 1845123), (21, 1493671), (41, 765051), (51, 615041), (119, 263589), (123, 255017), (287, 109293), (357, 87863), (697, 45003), (861, 36431), (2091, 15001), (2143, 14637), (4879, 6429)]