28670925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 50889600

約数和(自身を除く): 22218675

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 113, 199, 255, 339, 425, 565, 597, 995, 1275, 1695, 1921, 2825, 2985, 3383, 4975, 5763, 8475, 9605, 10149, 14925, 16915, 22487, 28815, 48025, 50745, 67461, 84575, 112435, 144075, 253725, 337305, 382279, 562175, 1146837, 1686525, 1911395, 5734185, 9556975, 28670925]

約数ペア:

[(1, 28670925), (3, 9556975), (5, 5734185), (15, 1911395), (17, 1686525), (25, 1146837), (51, 562175), (75, 382279), (85, 337305), (113, 253725), (199, 144075), (255, 112435), (339, 84575), (425, 67461), (565, 50745), (597, 48025), (995, 28815), (1275, 22487), (1695, 16915), (1921, 14925), (2825, 10149), (2985, 9605), (3383, 8475), (4975, 5763)]