199980105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{2141}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 345461760

約数和(自身を除く): 145481655

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 479, 1437, 2141, 2395, 6227, 6423, 7185, 10705, 18681, 27833, 31135, 32115, 83499, 93405, 139165, 417495, 1025539, 3076617, 5127695, 13332007, 15383085, 39996021, 66660035, 199980105]

約数ペア:

[(1, 199980105), (3, 66660035), (5, 39996021), (13, 15383085), (15, 13332007), (39, 5127695), (65, 3076617), (195, 1025539), (479, 417495), (1437, 139165), (2141, 93405), (2395, 83499), (6227, 32115), (6423, 31135), (7185, 27833), (10705, 18681)]