31376985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4243}}^1$

素因数の和:4297

約数の個数: 32

約数和(自身を含む): 55002240

約数和(自身を除く): 23625255

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 4243, 7395, 12729, 21215, 63645, 72131, 123047, 216393, 360655, 369141, 615235, 1081965, 1845705, 2091799, 6275397, 10458995, 31376985]

約数ペア:

[(1, 31376985), (3, 10458995), (5, 6275397), (15, 2091799), (17, 1845705), (29, 1081965), (51, 615235), (85, 369141), (87, 360655), (145, 216393), (255, 123047), (435, 72131), (493, 63645), (1479, 21215), (2465, 12729), (4243, 7395)]