199294995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1949}}^1$

素因数の和:2375

約数の個数: 32

約数和(自身を含む): 338644800

約数和(自身を除く): 139349805

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 401, 1203, 1949, 2005, 5847, 6015, 6817, 9745, 20451, 29235, 33133, 34085, 99399, 102255, 165665, 496995, 781549, 2344647, 3907745, 11723235, 13286333, 39858999, 66431665, 199294995]

約数ペア:

[(1, 199294995), (3, 66431665), (5, 39858999), (15, 13286333), (17, 11723235), (51, 3907745), (85, 2344647), (255, 781549), (401, 496995), (1203, 165665), (1949, 102255), (2005, 99399), (5847, 34085), (6015, 33133), (6817, 29235), (9745, 20451)]