208069425

素因数分解:

$3^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1549}}^1$

素因数の和:1767

約数の個数: 48

約数和(自身を含む): 384400000

約数和(自身を除く): 176330575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 199, 225, 597, 675, 995, 1549, 1791, 2985, 4647, 4975, 5373, 7745, 8955, 13941, 14925, 23235, 26865, 38725, 41823, 44775, 69705, 116175, 134325, 209115, 308251, 348525, 924753, 1045575, 1541255, 2774259, 4623765, 7706275, 8322777, 13871295, 23118825, 41613885, 69356475, 208069425]

約数ペア:

[(1, 208069425), (3, 69356475), (5, 41613885), (9, 23118825), (15, 13871295), (25, 8322777), (27, 7706275), (45, 4623765), (75, 2774259), (135, 1541255), (199, 1045575), (225, 924753), (597, 348525), (675, 308251), (995, 209115), (1549, 134325), (1791, 116175), (2985, 69705), (4647, 44775), (4975, 41823), (5373, 38725), (7745, 26865), (8955, 23235), (13941, 14925)]