2078580021

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{8999}}^1$

素因数の和:9673

約数の個数: 32

約数和(自身を含む): 3359232000

約数和(自身を除く): 1280651979

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 647, 1941, 4529, 8999, 10999, 13587, 26997, 32997, 62993, 76993, 152983, 188979, 230979, 458949, 1070881, 3212643, 5822353, 17467059, 40756471, 98980001, 122269413, 296940003, 692860007, 2078580021]

約数ペア:

[(1, 2078580021), (3, 692860007), (7, 296940003), (17, 122269413), (21, 98980001), (51, 40756471), (119, 17467059), (357, 5822353), (647, 3212643), (1941, 1070881), (4529, 458949), (8999, 230979), (10999, 188979), (13587, 152983), (26997, 76993), (32997, 62993)]