28587345

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 47020800

約数和(自身を除く): 18433455

約数列:

[1, 3, 5, 15, 61, 157, 183, 199, 305, 471, 597, 785, 915, 995, 2355, 2985, 9577, 12139, 28731, 31243, 36417, 47885, 60695, 93729, 143655, 156215, 182085, 468645, 1905823, 5717469, 9529115, 28587345]

約数ペア:

[(1, 28587345), (3, 9529115), (5, 5717469), (15, 1905823), (61, 468645), (157, 182085), (183, 156215), (199, 143655), (305, 93729), (471, 60695), (597, 47885), (785, 36417), (915, 31243), (995, 28731), (2355, 12139), (2985, 9577)]